NIACL Model Paper 5 with solutions for free online practice

Question : 31 of 100

Marks: +1, -0

P can complete a piece of work in 12 days. P and O and Q together can complete the same piece of work in 4 days. In how many days can Q alone complete the same piece of work?

6
8
9
10
None of these

Validate

Solution:

Required days

={12×4}/{12-4}=6

days

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