An aeroplane is flying horizontally at a height of 3150\ m above a horizontal plane ground. At a particular instant, i

### Question Asked by a Student from EXXAMM.com Team

Q 3040534413.     An aeroplane is flying horizontally at a height of 3150\ m above a horizontal plane ground. At a particular instant, it passes another plane vertically below it. At this instant, the angles of elevation of the planes from a point on the ground are 30^{\circ} and 60^{\circ}. Hence, the distance between the two planes at that instant is:
A

1050\ m

B

2100\ m

C

4200\ m

D

5250\ m

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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