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From an aeroplaneflying,vertically above a horizontal road,the angles of depression of two consecutive stones on the same side of aeroplane are observed to be `30^@` and `60^@ ` respectively.The height at which the aeroplane is flying in km is

A

`(4)/(sqrt3)`

B

`(sqrt3)/(2)`

C

`(2)/(sqrt3)`

D

2

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IPUCET PREVIOUS YEAR PAPERS-GGSIPU MATHEMATICS 2007-MCQ
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