Q11 of 47 Page 174

A does 20% less work than B. If A can finish a piece of work in 7 hours, then B can finish it in

Number of hours taken by A to finish the work = hours = hours


Work done by A in one hour :


Let number of hours taken by B to finish the work :


A can work 20% less than B that is = times of B’s work.


Here , : 1 = :


=


X = = 6 hours.

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