👉 How many seconds does Puja take to cover a distance of 500 m, if she runs at a speed of 30 km/hr?
A. 60 sec
B. 82 sec
C. 95 sec
D. 100 sec
👉 Answer & Explanation:
60 sec
- Related Question:
Mukesh, Suresh and Dinesh travel from Delhi to Mathura to attend Janmashtmi Utsav. They have a bike which can carry only two riders at a time as per traffic rules. Bike can be driven only by Mukesh. Mathura is 300 km from Delhi. All of them can walk at 15 km/hr. All of them start their journey from Delhi simultaneously and are required to reach Mathura at the same time. If the speed of bike is 60 km/hr, then what is the shortest possible time in which all three can reach Mathura at the same time?
- A. 8 2/7 hrs
- B. 9 2/7 hrs
- C. 10 hrs
- D. None of these
- Answer : B ( 9 2/7 hrs )
A car can finish a certain journey in 10 hrs at the speed of 48 km/hr. In order to cover the distance in 8 hrs, the speed of the car must be increased by
- A. 6 km/hr
- B. 7.5 km/hr
- C. 12 km/hr
- D. 15 km/hr
- Answer : C ( 12 km/hr )
An aeroplane flying 1000 km covers the first 200 km at the rate of 200 km/hr, the second 200 km at 400 km/hr, the third 200 km at 600 km / hr & last 200 km at the rate of 800 km/hr. Determine the average speed of the aeroplane.
- A. 250 km/hr
- B. 300 km/hr
- C. 480 km/hr
- D. 600 km/hr
- Answer : C ( 480 km/hr )
A bike covers a certain distance at the speed of 64 km/ hr in 8 hrs. If the bike was to cover the same distance in approximately 6 hrs, at what approximate speed should the bike travel?
- A. 80 km/hr
- B. 85 km/hr
- C. 90 km/hr
- D. 75 km/hr
- Answer : B ( 85 km/hr )
Wheels of diameters 7 cm and 14 cm start rolling simultaneously from X and Y, which are 1980 cm apart, towards each other in opposite directions. Both of them make same number of revolutions per second. If both of them meet after 10 s, the speed of the smaller wheel is
- A. 22 cm/s
- B. 44 cm/s
- C. 66 cm/s
- D. 132 cm/s
- Answer : C ( 66 cm/s )
A man covers a certain distance on a toy train. If the train moved 4 km/hr faster, it would take 30 min less. If it moved 2 km/hr slower, it would have taken 20 min more. Find the distance.
- A. 60 km
- B. 45 km
- C. 30 km
- D. 20 km
- Answer : A ( 60 km )
A car takes 15 mins less to cover a distance of 75 km. If it increases its speed by 10 km/hr from its usual speed, how much time would it take to cover a distance of 300 km using this speed?
- A. 5 hrs
- B. 5 1/2 hrs
- C. 6 hrs
- D. 6 1/2 hrs
- Answer : A ( 5 hrs )
Deepa drives a bike at an average speed of 30 km/hr and reach her destination in 6 hrs. Hema covers that distance in 4 hrs. If Deepa increases her average speed by 10 km/ hr and Hema increases her average speed by 5 km/hr, then what will be the difference in time taken by them to reach their destination?
- A. 54 mins
- B. 1 hr
- C. 40 mins
- D. 45 mins
- Answer : A ( 54 mins )
There are 20 poles with a constant distance between each pole. A car takes 24 s to reach the 12th pole. How much time will it take to reach the last pole?
- A. 25.25 s
- B. 17.45 s
- C. 35.75s
- D. 41.45s
- Answer : D ( 41.45s )
A bus covered a distance of 250 km, partly at an average speed of 40 km/hr and partly at 60 km/hr. If the total time taken is 5 hrs, then the distance covered at 40 km/hr is
- A. 130 km
- B. 120 km
- C. 100 km
- D. None of these
- Answer : C ( 100 km )