Top 100 Question on Simple Interest Problems

1. 
   

   Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?

1. A. Rs. 6400       Correct Answer
2. B. Rs. 6500      
3. C. Rs. 7200      
4. D. Rs. 7500      
5. E. None of these      

2.  

   
   

   A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

1. A. Rs. 650     
2. B. Rs. 690      
3. C. Rs. 698        Correct Answer
4. D. Rs. 700      

3.  

   
   

   Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?

1. A. 3.6     
2. B. 6        Correct Answer
3. C. 18      
4. D. Cannot be determined      
5. E. None of these      

4.  

   
   

   A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

1. A. Rs. 650     
2. B. Rs. 690      
3. C. Rs. 698        Correct Answer
4. D. Rs. 700      

5.  

   
   

   What will be the simple interest on Rs. 80,000 at 16(2/3) % per annum for 9 months?

1. A. 8,000     
2. B. 9,000      
3. C. 10,000        Correct Answer
4. D. 11,000      

6.  

   
   

   Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?

1. A. Rs. 6400       Correct Answer
2. B. Rs. 6500      
3. C. Rs. 7200      
4. D. Rs. 7500      

7.  

   
   

   Suresh borrows Rs. 10,000 for 2 years at 4 % p.a. simple interest. He lends it to Ramesh at 6 % p.a. for 2 years. Find his gain in this transaction per year.

1. A. Rs. 150     
2. B. Rs. 200        Correct Answer
3. C. Rs. 400      
4. D. Rs. 450      

8.  

   
   

   A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?

1. A. Rs. 4462.50     
2. B. Rs. 8032.50      
3. C. Rs. 8900      
4. D. Rs. 8925        Correct Answer

9.  

   
   

   A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:

1. A. 5%     
2. B. 8%      
3. C. 12%        Correct Answer
4. D. 15%      

10.  

    
    

    What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

1. A. 1 : 3     
2. B. 1 : 4      
3. C. 2 : 3        Correct Answer
4. D. Data inadequate      

11.  

    
    

    The S.I. on a certain sum of money for 4 years at 15 % per annum is Rs. 180 more than S.I. on same sum for 5 years at 10 % per annum. Find the sum.

1. A. 1000     
2. B. 1200      
3. C. 1800        Correct Answer
4. D. 2000      

12.  

    
    

    A sum of Rs. 12,000 amounts to Rs. 15,000 in 4 years at the rate of simple interest. Find the rate of interest.

1. A. 6.25 %       Correct Answer
2. B. 4.25 %      
3. C. 5.9 %      
4. D.  5 %      

13.  

    
    

    The difference between Simple Interest and Compound Interest at the rate of 12% on the same amount for 3 years is Rs. 112.32. What is the principal amount if interest is compounded annually?

1. A. Rs. 25000     
2. B. Rs. 2500        Correct Answer
3. C. Rs. 50000      
4. D. Rs. 5000      
5. E. Rs. 2000      

14.  

    
    

    A sum when reckoned at 10% S.I amounts to Rs. 2400 in 4 years. Find the sum.

1. A. 1575.75     
2. B. 1610.30      
3. C. 1612.50      
4. D. 1714.30        Correct Answer

15.  

    
    

    At which sum, the simple interest at the rate of 3¼ per annum will be Rs. 210 in 2½ years.

1. A. 2311.25     
2. B. 2355.30      
3. C. 2584.60        Correct Answer
4. D. 2716.90      

16.  

    
    

    Simple interest on Rs. 600 for 4 years at 5.25% per annum is equal to the simple interest on 400 at 5% per annum for a certain period of time. The time period is ?

1. A. 5 years     
2. B. 5.5 years      
3. C. 6.3 years        Correct Answer
4. D. 7.2 years      

17.  

    
    

    Hari took a loan at simple interest at 6% in the first year with an increase of 0.5% in each subsequent year. He paid Rs. 3375 as interest after 4 years. How much loan did he take ?

1. A. 10950     
2. B. 11750      
3. C. 12500        Correct Answer
4. D. 12700      

18.  

    
    

    The sum of money that will give Rs. 1 as simple interest per day at the rate of 4% per annum is

1. A. 9036     
2. B. 9125        Correct Answer
3. C. 9810      
4. D. 9985      

19.  

    
    

    The simple interest on a sum for 4 years is two-fifth of the sum. The rate percent per annum is

1. A. 7 %     
2. B. 9 %      
3. C. 10 %        Correct Answer
4. D. 12 %      

20.  

    
    

    X, Y, Z are three sums of money such that Y is the simple interest on X and Z in the simple interest on y for the same time and rate. Which of the following is correct ?

1. A. y² = xz       Correct Answer
2. B. y = xz      
3. C. x = yz      
4. D. z² = xy      

21.  

    
    

    A sum of money at simple interest amounts to Rs. 2200 in 3 years and Rs. 2500 in 5 years. The sum is

1. A. Rs 1600     
2. B. Rs 1625      
3. C. Rs 1750        Correct Answer
4. D. Rs 1780      

22.  

    
    

    Rs. 3000 amount to Rs. 3600 in 5 years at simple interest. If the interest rate were increased by 3%, it would amount to how much ?

1. A. 3775     
2. B. 3820      
3. C. 4010      
4. D. 4050        Correct Answer

23.  

    
    

    A man invests 1/2 of his capital at 6% per annum, 1/3 at 9% per annum and the remainder at 10% per annum. If his annual income is Rs. 560, the capital is

1. A. 6384.15     
2. B. 6825.75      
3. C. 7219.20      
4. D. 7304.35        Correct Answer

24.  

    
    

    How much simple interest will Rs. 3000 earn in 18 months at 5% per annum

1. A. 225       Correct Answer
2. B. 250      
3. C. 262      
4. D. 310      

25.  

    
    

    Rs. 5000 becomes Rs. 6200 in 4 years at a certain rate of interest. If the rate becomes 1.5 times of itself, the amount of the same principal in 5 years will be

1. A. 5536     
2. B. 5996      
3. C. 6886      
4. D. 7250        Correct Answer

26.  

    
    

    In how many years, a sum will be thrice of it at the rate of 10% per annum ?

1. A. 8 years     
2. B. 10 years      
3. C. 15 years      
4. D. 20 years        Correct Answer

27.  

    
    

    A sum of Rs. 500 amounts to Rs. 620 in 4 years. What will it amount to if the rate of interest is increased by 2% ?

1. A. 590     
2. B. 630      
3. C. 660        Correct Answer
4. D. 720      

28.  

    
    

    If the simple interest on a certain sum of money for 18 months at 6½ % per annum exceeds the simple interest on the same sum for 8 months at 10½ % per annum by Rs. 33. The sum is

1. A. Rs 260     
2. B. Rs 275      
3. C. Rs 300        Correct Answer
4. D. Rs 350      

29.  

    
    

    A farmer borrowed Rs. 5000 at 10% per annum. At the end of 5 years he cleared his account by paying Rs. 3000 and a cow. The cost of the cow is ?

1. A. Rs. 4000     
2. B. Rs. 4200      
3. C. Rs. 4500        Correct Answer
4. D. Rs. 4800      

30.  

    
    

    If the annual rate of simple interest increases from 10% to 12½%, a man's annual income increases by Rs. 1250. The Principal is

1. A. 5000     
2. B. 15000      
3. C. 30000      
4. D. 50000        Correct Answer

31.  

    
    

    Find S.I on Rs. 16250 at 6% p.a. for 73 days

1. A. 173     
2. B. 195        Correct Answer
3. C. 220      
4. D. 237      

32.  

    
    

    The difference between the interest received from two different banks on Rs. 4000 for 2 years is Rs. 20. The difference between their rates is

1. A. 0.23     
2. B. 0.25        Correct Answer
3. C. 0.33      
4. D. 0.47      

33.  

    
    

    A man deposited Rs. 300 for 2 years, Rs. 600 for 4 years and Rs. 1200 for 6 years. He received Rs. 1020 as the simple interest. The rate of interest per annum is

1. A. 10 %       Correct Answer
2. B. 15 %      
3. C. 20 %      
4. D. 30 %      

34.  

    
    

    If the simple interest for 5 years be equal to 25% of the principal, it will be equal to the principal after

1. A. 10 years     
2. B. 20 years        Correct Answer
3. C. 30 years      
4. D. 40 years      

35.  

    
    

    A certain sum of money becomes three times of itself in 10 years at simple interest. In how many years does it become double of itself at the same rate ?

1. A. 3 years     
2. B. 4 years      
3. C. 5 years        Correct Answer
4. D. 7 years      

36.  

    
    

    A man losses Rs. 45 yearly when the annual rate of interest falls from 11% to 10%. His capital is

1. A. Rs 4500       Correct Answer
2. B. Rs 4650      
3. C. Rs 4700      
4. D. Rs 4750      

37.  

    
    

    A borrows Rs. 800 at the rate of 12% per annum simple interest and B borrows Rs. 910 at the rate of 10% per annum simple interest. In how manny years will their amount of debts be equal ?

1. A. 8 years     
2. B. 13 years      
3. C. 19 years      
4. D. 22 years        Correct Answer

38.  

    
    

    Simple interest on a certain sum at a certain annual rate of interest is 25/16 of the sum. If the numbers representing rate percent and time in years be equal, then rate percent per annum is

1. A. 12½ %       Correct Answer
2. B. 13¼ %      
3. C. 14½ %      
4. D. 15¾ %      

39.  

    
    

    A sum of money amount to Rs. 4200 in 4 years and to Rs. 4680 in 7 years at simple interest. The rate of interest per annum is

1. A. 3312     
2. B. 3560        Correct Answer
3. C. 3590      
4. D. 3626      

40.  

    
    

    The simple interest at x% per annum for x years will be Rs. x on a sum of

1. A. 75/x     
2. B. 100/x        Correct Answer
3. C. 120/x      
4. D. 150/x      

41.  

    
    

    What annual payment will discharge a debt of Rs. 630 due in 3 years at 5% per annum ?

1. A. Rs. 200       Correct Answer
2. B. Rs. 220      
3. C. Rs. 230      
4. D. Rs. 235      

42.  

    
    

    A certain sum is invested on simple interest. If it trebles in 5 years, what is the rate of interest ?

1. A. 25 %     
2. B. 35 %      
3. C. 40 %        Correct Answer
4. D. 50 %      

43.  

    
    

    A sum of money invested at simple interest triples itself in 8 years. How many times will it become in 20 years time?

1. A. 8 times     
2. B. 7 times      
3. C. 6 times        Correct Answer
4. D. None of these      

44.  

    
    

    Two equal sums of money were invested, one at 4(1/2)% and the other at 4%. At the end of 7 years, the simple interest received from the latter exceeded that received from the former by Rs. 31.50. Each sum was

1. A. Rs. 1,000     
2. B. Rs. 500      
3. C. Rs. 750      
4. D. Rs. 900        Correct Answer

45.  

    
    

    A certain sum amounts to Rs. 2,300 in 3 years and Rs. 2,500 in 5 years at simple interest. Find the sum and the rate of interest.

1. A. Rs. 1200, 6%     
2. B. Rs. 1800, 5%      
3. C. Rs. 2000, 5%        Correct Answer
4. D. Rs. 1500, 6%      

46.  

    
    

    The simple interest on a certain sum at 5% for 9 months is Rs. 10 greater than the simple interest on the same sum at the rate of 3% for 14 months. What is the sum of interest in both the cases (i.e., total sum of interest)?

1. A. Rs. 130     
2. B. Rs. 290        Correct Answer
3. C. Rs. 120      
4. D. Rs. 330      

47.  

    
    

    Divide Rs. 6,000 into two parts so that simple interest on the first part for 2 years at 6% per annum may be equal to simple interest on the second part for 3 years at 8% per annum.

1. A. Rs. 4,000, Rs. 2,000       Correct Answer
2. B. Rs. 5,000, Rs. 1,000      
3. C. Rs. 3,000, Rs. 3,000      
4. D. None of these      

48.  

    
    

    A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and other at 10% simple interest. If the annual interest is Rs. 352, the sum lent at 8% is

1. A. Rs. 1600     
2. B. Rs. 2400        Correct Answer
3. C. Rs. 1800      
4. D. Rs. 2800      

49.  

    
    

    A sum of Rs. 600 amounts to Rs. 720 in 4 years at simple interest. What will it amount to if the rate of interest is increased by 2%?

1. A. Rs. 648     
2. B. Rs. 768        Correct Answer
3. C. Rs. 726      
4. D. Rs. 792      

50.  

    
    

    Rs. 2,189 are divided into three parts such that interest on them after 1, 2 and 3 years, respectively may be equal, the rate of simple interest being 4% per annum in all cases. The smallest part is

1. A. Rs. 702     
2. B. Rs. 398        Correct Answer
3. C. Rs. 756      
4. D. Rs. 1,093      

51.  

    
    

    The rates of simple interest in two banks A and B are in the ration 5 : 4. A person wants to deposit his total savings in two banks in such a way that he receives equal half yearly interest from both. He should deposit the savings in banks A and B in the ratio

1. A. 2 : 5     
2. B. 4 : 5        Correct Answer
3. C. 5 : 2      
4. D. 5 : 4      

52.  

    
    

    A bicycle can be purchased on cash payment of Rs. 1,500. The same bicycle can also be purchased at the down payment (initial payment, at the time of purchasing) of Rs. 350 and rest can be paid on 3 equal instalments of Rs. 400 for next 3 months. The rate of SI per annum charged by the dealer is

1. A. 23(9/17)%     
2. B. 17(9/23)%      
3. C. 13(9/17)%      
4. D. None of these        Correct Answer

53.  

    
    

    Ravi gave Rs. 1200 on loan. Some amount he gave at 4% per annum simple interest and remaining at 5% per annum simple interest. After two years, he got Rs. 110 as interest. Then the amounts given at 4% and 5% per annum simple interest are respectively,

1. A. Rs. 500, Rs. 700       Correct Answer
2. B. Rs. 400, Rs. 800      
3. C. Rs. 800, Rs. 300      
4. D. Rs. 1100, Rs. 1100      

54.  

    
    

    Mr Anand deposited a total amount of Rs. 65000 in three different schemes A, B and C with rates of interest 12% per annum, 16% per annum and 18% per annum, respectively and earned a total interest of Rs. 10,180 in one year. If the amount invested in Scheme A was 72% of the amount invested in Scheme C, then what was the amount invested in Scheme B?

1. A. Rs. 25000     
2. B. Rs. 22000        Correct Answer
3. C. Rs. 18000      
4. D. Cannot be determined      

55.  

    
    

    Rs. 25000 amount of Rs. 2600 in 5 years at simple interest. If the interest rate were increased by 3%, it would amount to how much?

1. A. Rs. 2900       Correct Answer
2. B. Rs. 3200      
3. C. Rs. 3600      
4. D. None of these      

56.  

    
    

    A person takes a loan of Rs. 200 at 5% simple interest. He returns Rs. 100 at the end of one year. In order to clear his dues at the end of 2 years, he would pay

1. A. Rs. 125.50     
2. B. Rs. 110      
3. C. Rs. 115.50        Correct Answer
4. D. None of these      

57.  

    
    

    Some amount was lent at 6% per annum simple interest. After 1 year, Rs. 6,800 is repaid and the rest of the amount is repaid at 5% per annum. If the second year's interest is (11/20) of the first year's interest, find what amount of money was lent out.

1. A. Rs. 17,000       Correct Answer
2. B. Rs. 16,800      
3. C. Rs. 16,500      
4. D. Rs. 17,500      

58.  

    
    

    I derive an annual income of Rs. 688.25 from Rs. 10,000 invested partly at 8% p.a. and partly at 5% p.a. simple interest. How much of my money is invested at 5%?

1. A. Rs. 3,725       Correct Answer
2. B. Rs. 4225      
3. C. Rs. 4,800      
4. D. Rs. 5,000      

59.  

    
    

    In 4 years, the simple interest on a certain sum of money is 7/25 of the principal. The annual rate of interest is

1. A. 4%     
2. B. 4.5%      
3. C. 7%        Correct Answer
4. D. 9%      

60.  

    
    

    If the rate of simple interest is 12% per annum, the amount that would fetch interest of Rs. 6,000 per annum is:

1. A. Rs. 7,200     
2. B. Rs. 48,000      
3. C. Rs. 50,000        Correct Answer
4. D. Rs. 72,000      

61.  

    
    

    The simplest interest on a sum of money is one-ninth of the sum. The number of years is numerically equal to the rate per cent per annum. The rate per cent is

1. A. 3(1/3)       Correct Answer
2. B. 5      
3. C. 6(2/3)      
4. D. 10      

62.  

    
    

    An article costing Rs. 9,000 is sold at a discount which is equal to the simple interest on Rs. 3,000 for N months. Find N if the rate of discount is same as the rate of interest.

1. A. 4 months     
2. B. 6 months      
3. C. 5 months      
4. D. 36 months        Correct Answer

63.  

    
    

    A person invested Rs 28000 at a simple interest rate of 8% per annum in such a way that his two sons Amit and Rakesh whose ages are 13 years and 14 years respectively will receive equal amount of money when they attain the age of 21 years. What is the share of Amit?

1. A. 7255     
2. B. 11753      
3. C. 73220      
4. D. 20500      
5. E. 13650        Correct Answer

64.  

    
    

    Ankit invested a total of Rs 10000 in two schemes A and B. Out of the total money he invested certain amount in scheme A which offers simple interest at the rate of 8% per annum for 2 years and the remaining amount in scheme B which offers interest at the rate of 12% per annum for 2 years. At the end of 2 years he found that the interest received from scheme B is Rs 340 more than the interest received from scheme A then find his investment in scheme B?

1. A. 7255     
2. B. 4850        Correct Answer
3. C. 7322      
4. D. 2050      
5. E. 6475      

65.  

    
    

    Simple interest received on a certain sum at an interest rate of 12% per annum after 2 years is Rs 852 then find the amount of compound interest that will be received on the same amount of money at the rate 8% per annum after 1 year when the interest is being calculated half yearly?

1. A. 725.56     
2. B. 117.12      
3. C. 289.68        Correct Answer
4. D. 205.63      
5. E. 647.52      

66.  

    
    

    An amount at the rate of 10% per annum becomes Rs 150 more at compound interest than that of simple interest after 4 years. What is the principal?

1. A. 7255     
2. B. 1175      
3. C. 7322      
4. D. 2340        Correct Answer
5. E. 6475      

67.  

    
    

    The difference between the amount of compound interest and simple interest received on a sum of Rs 25000 after 2 years is Rs 640 then what is the rate of interest?

1. A. 12     
2. B. 11      
3. C. 13      
4. D. 20      
5. E. 16        Correct Answer

68.  

    
    

    A sum of money becomes Rs 13400 in 5 years and 18500 in 8 years at the same rate of interest then what is the approximate rate of interest?

1. A. 25     
2. B. 20      
3. C. 32      
4. D. 35        Correct Answer
5. E. 47      

69.  

    
    

    A person invested Rs 25500 in two schemes A and B which offers interest at the rate of 5% and 12% per annum respectively. If the total interest received by the person from these schemes is Rs 2295 then find the part of money invested in scheme B? (Approximately)

1. A. 9800     
2. B. 11753      
3. C. 13220      
4. D. 20500      
5. E. 14571        Correct Answer

70.  

    
    

    Mohit will receive Rs 760 more as interest after 2 years at 20% rate of interest when the interest is being calculated half yearly than it is being calculated yearly. What is the approximate sum invested by Mohit?

1. A. 25520     
2. B. 11753      
3. C. 31535        Correct Answer
4. D. 20500      
5. E. 15641      

71.  

    
    

    Ravish has Rs 45000 with him. He wanted to invest in two schemes P and Q which offers interest at the rate of 5% and 8% respectively in such a way that the interest received after 2 years from scheme P is Rs 400 more than the interest received from scheme Q after 2 years then find the approximate sum to be invested in scheme P?

1. A. 29230       Correct Answer
2. B. 11753      
3. C. 23220      
4. D. 20500      
5. E. 26475      

72.  

    
    

    Rohit invested Rs 19500 in a bank which offers interest at a rate of 7% per annum for 5 years but due to urgent need he withdrew his investment after 3 years then find the amount he received after 3 years if the bank charges Rs 840 as penalty for early withdrawal?

1. A. 24555     
2. B. 21753      
3. C. 23220      
4. D. 20500      
5. E. 22755        Correct Answer

73.  

    
    

    Simple interest for the sum of Rs.1500 is Rs.50 in 4 years and Rs.80 in 8 years. Find the rate of SI?

1. A. 0.5%       Correct Answer
2. B. 1%      
3. C. 1.5%      
4. D. 2%      
5. E. None of these      

74.  

    
    

    A sum of money amounts to Rs 19600 after 10 years and Rs 24010 after 16 yearsat the same rate of simple interest. The rate of interest per annum is:

1. A. 4 %     
2. B. 3 %      
3. C. 5 %      
4. D. 6 %        Correct Answer
5. E. None of these      

75.  

    
    

    A sum of Rs. 2250 was lent partly at 7 % and 10% p.a. simple interest. The total interest received after 3 years was Rs.540. The ratio of the money lent at 7% to that lent at 10% is?

1. A. 3:2     
2. B. 2:1        Correct Answer
3. C. 1:2      
4. D. 2:3      
5. E. None of these      

76.  

    
    

    A sum was put at S.I at a certain rate for 8 years. Had it been put at 4% higher rate, it would have fetched Rs. 480 more. What was the Sum?

1. A. 1500       Correct Answer
2. B. 1700      
3. C. 1575      
4. D. 1650      
5. E. None of these      

77.  

    
    

    Sachin would have paid Rs. 5280 at the end of 4 years, for a sum of money borrowed, at rate of 8% p.a. S.I. If he wants to repay his loan a year before its due, then what is the amount paid by him?

1. A. Rs. 5060     
2. B. Rs. 4960        Correct Answer
3. C. Rs. 4760      
4. D. Rs. 4670      
5. E. None of these      

78.  

    
    

    Veena obtained an amount of Rs. 8376 as simple interest on a certain amount at 8 p.c.p.a. after 6 years. What is the amount invested by Veena?

1. A. Rs. 17180     
2. B. Rs. 18110      
3. C. Rs. 16660      
4. D. Rs. 17450        Correct Answer
5. E. None of these      

79.  

    
    

    A sum of Rs. 6200 is divided into 2 parts, one at 10% and another one at 6%. If the total interest received is Rs.424. Find the money lent at 6 % interest rate.

1. A. Rs. 3000     
2. B. Rs. 4500      
3. C. Rs. 3400      
4. D. Rs. 4900        Correct Answer
5. E. None of these      

80.  

    
    

    Rs.1200 becomes Rs.1434 in 3 yrs at a certain rate of S.I. If the rate of interest is increased by 4%, then the amount will be?

1. A. Rs1245     
2. B. Rs.1432      
3. C. Rs.1578        Correct Answer
4. D. Rs.1365      
5. E. None of these      

81.  

    
    

    The S.I on a sum of money will be Rs. 300 after 5 yrs. If the principal is tripled after 2 ½ yrs, what will be the total interest at the end of the 5 year?

1. A. 600       Correct Answer
2. B. 450      
3. C. 500      
4. D. 300      
5. E. None of these      

82.  

    
    

    At simple interest, a sum becomes three times in 20 years. Find the time in which the sum will be double at the same rate of interest?

1. A. 8 years     
2. B. 10 years        Correct Answer
3. C. 12 years      
4. D. 14 years      
5. E. None of these      

83.  

    
    

    A sum of money becomes four times in 20 years at simple interest. Find the rate of interest.

1. A. 15%       Correct Answer
2. B. 12%      
3. C. 18%      
4. D. 9%      
5. E. None of these      

84.  

    
    

    In 4 year, Rs. 6000 amounts to Rs. 8000. In what time at the same rate, will Rs. 525 amounts to Rs. 700?

1. A. 2 years     
2. B. 3 years      
3. C. 4 years        Correct Answer
4. D. 5 years      
5. E. None of these      

85.  

    
    

    Swathi borrowed some money at the rate of 6% per annum for the first three years, at the rate of 9% per annum for the next five years and at the rate of 13% per annum for the period beyond eight years. If she pays a total interest of Rs.8160 at the end of eleven years, how much money did she borrow?

1. A. Rs.8000       Correct Answer
2. B. Rs.12000      
3. C. Rs.10000      
4. D. Data inadequate      
5. E. None of these      

86.  

    
    

    If a certain sum at compound interest becomes double in 5 year, then in how many years, it will be 16 times at the same rate of interest?

1. A. 10 years     
2. B. 15 years      
3. C. 20 years        Correct Answer
4. D. Cannot be determined      
5. E. None of these      

87.  

    
    

    At simple interest, a sum becomes three times in 20 years. Find the time in which the sum will be double at the same rate of interest?

1. A. 8 years     
2. B. 10 years        Correct Answer
3. C. 12 years      
4. D. 14 years      
5. E. None of these      

88.  

    
    

    If the difference between the simple interest and compound interest on some amount at 20% pa for 3 years is 48, then what must be the principal amount?

1. A. Rs. 240     
2. B. Rs. 375        Correct Answer
3. C. Rs. 480      
4. D. Rs. 180      
5. E. None of these      

89.  

    
    

    A sum of money invested at compound interest amounts to Rs. 800 in 3 years and Rs.882 in 5 years. What is the rate of interest?

1. A. 2.5%     
2. B. 4%      
3. C. 5%        Correct Answer
4. D. 6.6%      
5. E. None of these      

90.  

    
    

    Simple interest for the sum of Rs.1500 is Rs.50 in 4 years and Rs.80 in 8 years. Find the rate of SI?

1. A. 0.5%       Correct Answer
2. B. 1%      
3. C. 1.5%      
4. D. 2%      
5. E. None of these      

91.  

    
    

    Simple interest on an amount after 24 months at the rate of 2% per quarter is 960. What is the amount?

1. A. 2000     
2. B. 5200      
3. C. 6000        Correct Answer
4. D. 4800      
5. E. None of these      

92.  

    
    

    At what rate percent per annum will a sum of money double in 8 years?

1. A. 10%     
2. B. 14%      
3. C. 12.5%        Correct Answer
4. D. Cannot be determined      
5. E. None of these      

93.  

    
    

    Arun took a loan of Rs. 1400 with simple interest for as many years as the rate of interest. If he paid Rs.686 as interest at the end of the loan period, what was the rate of interest?

1. A.  8%     
2. B. 4%      
3. C. 6%      
4. D. 7%        Correct Answer
5. E. 5%      

94.  

    
    

    Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?

1. A. Rs.6400       Correct Answer
2. B. Rs.7200      
3. C. Rs.7500      
4. D. Rs.6500      
5. E. Rs.6800      

95.  

    
    

    A certain sum of money amounts to Rs.1008 in 2 years and to Rs.1164 in 3.5 years.find the sum and rate of interest.

1. A. 10%     
2. B. 11%      
3. C. 12%      
4. D. 13%        Correct Answer
5. E. 14%      

96.  

    
    

    A certain amount earns simple interest of Rs. 1200 after 10 years. Had the interest been 2% more, how much more interest would it have earned?

1. A. Rs.25     
2. B. Rs.120      
3. C. Rs.125      
4. D. Can’t be determined        Correct Answer
5. E. None of these      

97.  

    
    

    A person borrows Rs.5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at /% p.a for 2 years. Find his gain in the transaction per year.

1. A. Rs.167.50       Correct Answer
2. B. Rs.150      
3. C. Rs.225      
4. D. Rs.112.5      
5. E. Rs.130      

98.  

    
    

    What will be the ratio of simple interest earned by certain amount at the same rate of interest for 5 years and that for 15 years?

1. A. 3 : 2     
2. B. 2 : 3      
3. C. 1 : 3        Correct Answer
4. D. 3 : 1      
5. E. 2 : 1      

99.  

    
    

    A man took loan from a bank at the rate of 8% p.a. simple interest. After 4 years he had to pay Rs. 6200 interest only for the period. The principal amount borrowed by him was:

1. A. Rs.17322     
2. B. Rs.20245      
3. C. Rs.18230      
4. D. Rs.19375        Correct Answer
5. E. Rs.17520      

100.  

     
     

     A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:

1. A. Rs.120     
2. B. Rs.121        Correct Answer
3. C. Rs.122      
4. D. Rs.123      
5. E. Rs.124