A is twice efficient as b they can complete the task in 12 days
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Hey Mate
Time taken by A to complete a work
= x days
Time taken by B to complete the same work
= 2x days
According to the question,
1x+12x=112
=> 32x=112
x=3×122=18
Time taken by B to complete the same work = 2x=2×18=36days
hope it helps you
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