Question

A can complete a work in 25 days and B can complete the same work in 20 days. They
start working together, but 5 days later, A goes away. In how many days will B finish the
remaining work ? (Find Direct or inverse proportions)​

Answer 1

Step-by-step explanation:

A can do a work in 25

B acan do a work in 20

a's one day work 1/25

b's one day work 1/20

a's and b's one day work = 9/100

there 5 day's work=9/20

remaining work=1-9/20=11/20

no. of days taken by B to finish the work is

11/20÷1/20

ans=11 days

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