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Questions  >>  Olympiad-Math  >>  Class 7  >>  Integers
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Q)

An elevator descends into a mine shaft at the rate of 6 meter per minute. If thedescentent starts from the ground level, how long will it take to reach 240 meter?


( A ) 34 min
( B ) 43 min
( C ) 40 min
( D ) 45 min

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