state gov MP Police SI Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency

J alone can do a piece of work in 7.5 days. K and L together can complete the same work in 5 days. In how many days will J, K and L together complete the same work?

1

5 days

2

3 days

3

4.5 days

4

None of the above

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