Mathematics General Science Test Medium Mode

Sr. #	Questions	Answers Choice
1	A chimney is such that on walking towards it 50 m in a horizontal line through its base the angular elevation of its top changes from 30° to 45°. The height of the chimney is
2	A person standing on the bank of a river observes that the angle subtended by a tree of the opposite bank is 60°, when he retreats 40 m from the bank, he finds the angle to be 30°. The height of the tree and the breadth of the river are
3	The angle of depression of a point situated at a distance of 70 meters from the base of a tower is 45°. The height of the tower is	70 m 85 m 35 m None of these
4	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?	Breadth of the river is twice the height of the tower Breadth of the river an the height of the tower are the same Breadth of the river is half of the height of the tower None of these
5	At a point 15 meters away from the base of a 15 meters high house, the angle of elevation of the top is	90° 60° 30° 45°

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