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• 1.

A person standing on the bank of a river observes that the angle of elevation of the top of a tree on the opposite bank of the river is 60° and when he walks 40 metres away from the tree the angle of elevation becomes 30°. The breadth of the river is(a) 20 m (b) 30 m(c) 40 m (d) 60 m

last reply by CpjJwWHV  •  14 years ago  •  asked in MAT

• 2.

A person standing on the bank of a river finds that the angle of elevation of the top of a tower on the opposite bank is 45°. Then which of the following statements is correct?(a) The breadth of the river is half of the height of the tower.(b) The breadth of the river and the height of the tower are the same.(c) The breadth of the river is twice the height of the tower.(d) None of these

last reply by CpjJwWHV  •  14 years ago  •  asked in MAT

• 3.

The angles of elevation of the top of a tower, from the top and the foot of a pole of height 10 m, are 30° and 60° respectively. The height of the tower is(a) 20 m (b) 15m(c) 10m (d) None of these

last reply by CpjJwWHV  •  14 years ago  •  asked in MAT

• 4.

Two posts are k metres apart and the height of one is double that of the other. If from the middle point of the line joining their feet, an observer finds the angular elevations of their tops to be complementary, then the height (in metres) of the shorter post is(A) k√2 (B) k/4 (C) k/2√2 (D) k/√2

last reply by CpjJwWHV  •  9 years ago  •  asked in NMAT

• 5.