Q5 of 47 Page 174

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

Work done by A in one day: 2x


Work done by B in one day: x


Number of days taken by A and B to do the work together: 12 days


Work done by A and B together in one day:


= 2x + x


= 3x


X =


Here X is Work done by B in one day


B alone will take 36 days to complete the work.

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