A B and C can complete a work separately in 24 36 and 48 days respectively they started together, but C left after 4 days of start and A left 3 days before the completion of work in how many days will the work be completed.
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A B and c work = 1/24 + 1/36 + 1/48
lcm of 24, 36,48 = 144
A, B, C work = 6+4+3
144
=13.
144
c 4 days work = 13. * 4
144
=13
36
a 3 days work= 13. *3
36
=13
12
wrk is completed in 13/12 days
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