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A ladder of 17 ft. length reaches a wind...

A ladder of 17 ft. length reaches a window which is 15 ft. above the ground on one side of the street. Keeping its foot at the same point the ladder is turned to the other side of the street and now it reaches a window 8 ft. high. What is the width of the street ?

A

23 ft

B

15 ft

C

25 ft

D

30 ft

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The correct Answer is:
A
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PUNEET DOGRA-HEIGHT & DISTANCE -PREV YEAR QUESTIONS
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  2. A ladder 9m long reaches a point 9 m below the top of a vertical flags...

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  4. The top of a hill observed from the top and bottom of a building heigh...

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  5. balloon is directly above one end of bridge. The angle of depression o...

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  6. If a flag-staff of 6 m height plated on the top of a tower throws a sh...

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  7. A spherical balloon of radius r subtends an angle 'theta' at an observ...

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  8. The angle of elevation of a stationary cloud from a point 2500m m abov...

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  9. The angles of elevation of the top of a tower form the top and foot of...

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  10. From the top of a lighthouse. 100 m high, the angle of depression of ...

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  11. The top of a hill when observed from the top and bottom of a building ...

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  12. A boat is moving away from an observation tower .It makes an angle of ...

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  13. Two poles are 10 m and 20 m high. The line joining their tops makes an...

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  14. A vertical tower standing on a leveled field is mounted with a vertica...

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  15. The angle of elevation of the top of a tower from a point 20 m away fr...

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  16. The angles of elevation of the top of a tower standing on a horizontal...

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  17. A lamp post stands on a horizontal plane. From a point situated at a d...

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  18. From an aeroplane above a straight road the angles of depression of tw...

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  19. If the angles of elevation of the top of a tower from two places situa...

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  20. A person standing on the bank of a river observes that the angle subte...

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  21. The angle of elevation of the top of a tower of height H from the foot...

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