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 A works twice as fast as B. if both of them can together finish a piece of work in 12 days, then B alone can do it in

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 A works twice as fast as B. if both of them can together finish a piece of work in 12 days, then B alone can do it in

A). 24 days

B). 27 days

C). 36 days

D).

48 days


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Answered by on | Votes 0 |

36 days



B = 2A 
2A × A/3A = 12 
2A/3 = 12 
A = 18 days 
B  = 2 × 18 = 36 days 
Therefore, B alone can finish the work in 36 days.

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