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A can complete work in 25 days and B can complete...

This question belongs to Arithmetic Ability Time And Work
Time and Work
?

A can complete work in 25 days and B can complete the same work in 20 days. They started the work together but B left after 4 days and A continued to work. In how many days will the entire work be completed?

Answer & Solution
Correct Answer: Option B
Time and Work mcq question image
Total work of (A + B) in 4 days = 4(4 + 5) = 36
Remaining work = 100 - 36 = 64
A = $$\frac{{64}}{4}$$ = 16 days
Total days = 4 + 16 = 20 days
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