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From a light-house L two ships P and Q a...

From a light-house L two ships P and Q are observed in direction south-west and `15^(@)` east of south respectively. At the same time Q is observed from point P in south-east direction. If `LP=4 km`, the distance between the ships is

A

4 km

B

`4sqrt(3)` km

C

`5sqrt(3)` km

D

None of these

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The correct Answer is:
B
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FIITJEE-HEIGHTS & DISTANCE -ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I
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  9. A person standing on the ground observes the angle of elevation of th...

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  16. Two pillars of height a and b subtend the same angle alpha at a point ...

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  17. From the top of aspier the angle of depression of the top and bottom o...

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