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HCU MCA 2015 Paper

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Question : 52

Total: 75

A person standing on bank of river observes that the angle of elevation of the top of tree on the opposite bank of river is 60 and when he retires 40 m away from the tree, the angle of elevation becomes 30. The breadth of the river is;

20 m
30 m
40 m
60 m

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