Q. TF is a tower with F on the ground. The angle of elevation of T from A is x° such that tan x°= 2/5 and AF = 200 m. The angle of elevation of T from a nearer point B is y° with BF = 80 m. The value of y° is-

• A. 75°
• B. 45°
• C. 60°
• D. 30°

Correct Answer: B