List of Mathematical Series Questions for Practice
The angles of elevation of the top of a tower as observed from the bottom and top of a building of height 80 metre are 60° and 45° respectively. The distance of the base of the tower from the base of the building is:-
(A) $$ 40 {(\sqrt{3}-1)}\ metre $$
(B) $$ 40 {(3+\sqrt{3})}\ metre $$
(C) $$ 40 {(3-\sqrt{3})}\ metre $$
(D) $$ 40({\sqrt{3}}+1)\ meter$$
Correct Answer : D
A tower standing on a horizontal plane subtends a certain angle at a point 160 cm a part from the foot of the tower. On advancing 100 meter towards the tower is found to subtend an angle twice as before. The height of tower is__
(A) 60 cm
(B) 80 cm
(C) 40 cm
(D) 100 cm
Correct Answer : B
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Vikram Singh
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