Question

. A work twice as fast as B. If both of then together finish a piece of work in 12 days, then B alone can do it in- *​

Answer 1

Step-by-step explanation:

Let us consider work done by B in 1 day =x

So, the work done by A in 1 day =2x

Now,

Number of days A and B together requires to complete a piece of work =12 days

Work done by both A and B together in 1 day =1/12

∴2x+x=1/12

3x=1/12

x=1/36

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