Q1 of 47 Page 176

A can do a piece of work in 10 days while B alone can do it in 15 days. In how many days can both finish the same work?

Number of days A required do a piece of work : 10


Number of days B required do a piece of work : 15


Work done by A in one day:


Work done by B in one day:


Work done by A and B together in one day: = =


They can do the work together in 6 days.


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