Q. A man standing on the bank of river observes that the angle subtended by a tree on the opposite bank is 60°. When he retires 36 m from the bank, he finds that the angle is 30°. The breadth of the river is
A) 18 m
B) 15 m
C) 11 m
D) 16 m
✔ Correct Answer: 18 m
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