1.

A person in aballoon, who has ascended verticallly from flat land at the sea level, observes the angle of depression of a ship at anchor to be 30^(@). After descending verticallly 600 metres, he finds the angle of depression to be 15^(@). The horizontal distance of the ship from the foot of ascent in metres is

Answer»

`300(3+sqrt(3))`
`300(3+2sqrt(3))`
`150(3+2sqrt(3))`
`150(3-2sqrt(3))`

ANSWER :B


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