Q6 of 94 Page 45

A, B and C can do a work in 12, 24 and 8 days respectively. They all work for one day. Then C leaves the group. In how many days will A and B complete the rest of the work?

A, B and C can do a work in 12, 24 and 8 days respectively.

A, B and C’s 1-day work will be , , respectively


1-day’s work of all of them = + + =


Remaining portion of work = 1- =


After that C leaves the group. So, the rest of the work will be completed by A & B only


A & B’s 1-day’s work = + =


No. of day required = = = 6 days


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