NDA 2016 Mathematics question

The top of a hill when observed from the top and bottom of a building of height h is at angles of elevation p and q respectively. What is the height of the hill?

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

Let the hill have height and horizontal distance from the building. From the bottom: . From the top (height

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Question ID VK-028498