A and B can do a given piece of work in 8 days, B and C can do the same work complete it in 6 days. In how many days can A and C finish it
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A and B can do a given piece of work in 8 days. A, B and C can do a given piece of work in 6 days. Hence, A and C together complete the work in 8 day. Similary it is 48/12 = 4 work for B & C and 48/6 = 8 work for A & B & C together
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A and B work in = 8 days
WE DO RECIPROCAL HERE,
A do this work in = 1/8 day
B and C do this work = 6 days
WE DO RECIPROCAL HERE,
C do this work in = 1/6 days
sum = 1/8+1/6= 3+4/24=7/24
we can do divided,
1/4=4 and
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