1.

The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o.The height of the aeroplane from the ground is1). 32). 73). 94). $\frac{1}{2}(\sqrt{3}+3)$

Answer»

This QUESTION was asked some where in PREVIOUS year PAPERS of ssc, and correct ANSWER was option 4



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