There is a tree between houses of A and B If the tree leans on As House

 

 There is a tree between houses of A and B. If the tree

1. There is a tree between houses of A and B. If the tree leans on A’s House, the tree top rests on his window which is 12 m from ground. If the tree leans on B’s House, the tree top rests on his window which is 9 m from ground. If the height of the tree is 15 m, what is distance between A’s and B’s house?

1. A. 21 m            👈Correct Answer

2. B. 25 m

3. C. 16 m

4. D. 12 m

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1. Answer & Explanation:

   21 m

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2. Related Question:

1. The angle of elevation of an aeroplane from a point on the ground is 45°. After 15 seconds' flight. the elevation changes to 30°. if the aeroplane is flying at a height of 3000 m, the speed of the plane in km/hr is 

1. A. 208.34 Km/hr
2. B. 306.72 km/hr
3. C. 402.056 km/hr
4. D. 527 km/hr

1. Answer : D ( 527 km/hr )

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1. A tree breaks and falls to the ground such that its upper part is still partially attached to its stem. At what height did it break, if the original height of the tree was 24 cm and it makes an angle of 30° with the ground?

1. A. 12 cm
2. B. 8 cm
3. C. 9.5 cm
4. D. 7.5 cm

1. Answer : B ( 8 cm )

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1. The angle of elevation of the top of an unfinished tower at a point distant 120 m from its base is 45°. If the elevation of the top at the same point is to be 60°, the tower must be raised to a height

1. A. 120( √3 + 1 ) m
2. B. 120( √3 - 1 ) m
3. C. 10( √3 + 1 ) m 
4. D. None Of These

1. Answer : B ( 120( √3 - 1 ) m )

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1. Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is:

1. A. 173 m
2. B. 200 m
3. C. 273 m
4. D. 300 m

1. Answer : C ( 273 m )

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1. Rohit while seeing a bird on tree top made 45° angle of elevation. He walks 240ft. towards the tree to observe the bird closely, thus making 60° angle of elevation. How far was Rohit from the tree initially?

1. A. (2403)/(3-1) ft
2. B. 240/(3-1) ft
3. C. 240/3 ft
4. D. 2403 ft

1. Answer : A ( (2403)/(3-1) ft )

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1. One side of a parallelogram is 12 cm and its area is 60 cm2. If the angle between the adjacent sides is 30°, then its other side is

1. A. 10 cm
2. B. 8 cm
3. C. 6 cm
4. D. 4 cm

1. Answer : A ( 10 cm )

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1. Guddi was standing on a road near a mall. She was 1000m away from the mall and able to see the top of the mall from the road in such a way that top of the tree, which is in between her and the mall, was exactly in line of sight with the top of the mall. The tree height is 10m and it is 20m away from Guddi. How tall is the mall?

1. A. 423.5 m
2. B. 450 m
3. C. 470 m
4. D. 495 m

1. Answer : C ( 470 m )

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1. Ramesh and Suresh’s mud forts have heights 8cm and 15 cm. They are 24 cm apart. How far are the fort tops from each other?

1. A. 31 cm
2. B. 24 cm
3. C. 25 cm
4. D. 24.5 cm

1. Answer : C ( 25 cm )

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1. Mr Gidwani's Padyatra Party wanted to go from Gwalior to Bhubaneswar. The walkers travelled 150 km straight and then took a 45° turn towards Varanasi and walked straight for another 120 km. Approximately. how far was the party from the starting point?

1. A. 250 km
2. B. 90 km
3. C. 81 km
4. D. 30 km

1. Answer : A ( 250 km )

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1. There is a tower of 10m between two parallel roads. The angles of depression of the roads from the top of the tower are 30° and 45°.  How far are the roads from each other?

1. A. 27.32 m
2. B. 29.56 m
3. C. 203 m
4. D. 10/3 m

1. Answer : A ( 27.32 m )