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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2001
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Q)
The shadow of a tower standing on a level ground is found to be 60 metres longer when the sun's altitude is $30^{\circ}$ than when it is $45^{\circ}$. The height of the tower is :
( A ) $90m$
( B ) $30m$
( C ) $60 \sqrt{3}m$
( D ) $30(\sqrt{3} + 1)m$
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