A) A can do a piece of work in 10 days and B can do the same work in 15 days. They
work together for 3 days and then B leaves. In how many days will A alone
complete the remaining work?
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5
Answer:
7.5 days
Step-by-step explanation:
B 5 days works=1/10×5=1/2
remaining work = 1-1/2=1/2
A can finish work =15×1/2=7.5 day
A alone compelete the remaining work in 7.5 days
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