1000+ Height and Distance Questions for Competitive Exams Pdf - 1
Question: 1
The height of a tower is 100 m. When the angle of elevation of the sun changes from 30° to 45°, the shadow of the tower becomes x m smaller. The value of x is
(A) 100 m
(B) 100 $$√3$$ m
(C) $${100}/{3}$$
(D) 100($$√3$$ - 1) m
Ans: D
Question: 2
A person standing on the bank of a river observes that the angle subtended by a tree on the opposite bank is 60°. When he retires 40 m from the bank, he finds the angle to be 30°. The breadth of the river is
(A) 20 m
(B) 30 m
(C) 40 m
(D) 60 m
Ans: A
Question: 3
The angle of elevation of the top of a tower at a point G on the ground is 30°. On walking 20 m towards the tower, the angle of elevation beomes 60°. The height of the tower is equal to
(A) $${10}/{√3}$$ m
(B) $${20}/{√3}$$ m
(C) 10$$√3$$ m
(D) 20$$√3$$ m
Ans: C
Question: 4
From the top of a 25 m high, cliff the angle of elevation of a tower is found to be equal to the angle of depression of the foot of the tower. Find out the height of the tower.
(A) 40 m
(B) 50 m
(C) 52 m
(D) 60 m
Ans: B
Question: 5
The angle of elevation of moon when the length of the shadow of a pole is equal to its height is
(A) 30°
(B) 40°
(C) 45°
(D) 60°
Ans: C
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