Q27. A person standing on the bank of a river observes that the angle of elevation to the top of a tree on the opposite bank is 60°. When the person moves 40 meters away from the bank, the angle of elevation becomes 30°. What is the breadth of the river?Mathematics — FAST Mock 7 — Question 27 of 120A. 40 mB. 30 mC. 20 mD. 60 mPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →