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Olympiad-Math
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Class 9
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Everyday Mathematics
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Q)
A and B can together finish a work in 30 days. They workd on it for 20 days, and then B left. The remaining work was done by A alone in 20 more days A alone can finish the work in
( A ) 56 days
( B ) 62 days
( C ) 58 days
( D ) 60 days
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