Exactly midway between the foot of two towers P and Q...

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Exactly midway between the foot of two towers P and Q, the angles of elevation of their tops are 45° and 60°, respectively. The ratio of the heights of P and Q is:

A. 1 : √3

B. 3 : 1

C. 1 : 3

D. √3 : 1

Answer: Option A

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