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If the angle of elevation of a cloud fro...

If the angle of elevation of a cloud from a point P which is 25 m above a lake be `30^(@)` and the angle of depression of reflection of the cloud in the lake from P be `60^(@)`, then the height of the cloud (in meters) from the surface of the lake is

A

60

B

50

C

45

D

42

Text Solution

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-HEIGHTS AND DISTANCES -QUESTIONS FROM PREVIOUS YEARS. AIEEE/JEE MAIN PAPERS
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  7. If the angles of elevation of the top of tower from three collinear po...

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  8. Let 10 vertical poles standing at equal distances on a straight l...

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  9. A man is walking towards a vertical pillar in a straight path, at a ...

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  10. The angle of elevation of the top of a vertical tower from a point A d...

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  11. Let a vertical tower AB have its end A on the level ground. Let C be t...

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  12. PQR is a triangular park with PQ=PR=200m . A T.V tower stands at the m...

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  13. An aeroplane flying at a constant speed, parallel to the horizontal gr...

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  14. A tower T(1) of height 60 m is located exactly opposite to a tower T(2...

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  15. A man on the top of a vertical tower observes a car moving at a unifor...

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  16. Two vertical poles of heights, 20 m and 80 m stand apart on a horizont...

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  17. The angle fo elevation of the loop of a vertical tower standing on a h...

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  18. If the angle of elevation of a cloud from a point P which is 25 m abov...

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  19. Two poles standing on a horizontal ground are of heights 5 m and 10 m,...

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  20. ABC is a triangular park with AB = AC = 100 m. A vertical tower is sit...

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