A does a work in 10 days and B does the same work in 15 days In how many days they together will do ...........

Quantitative Aptitiude (CLAT) Time and work

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A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?

5 days

6 days

8 days

10 days

Explanation:

∴ Work done by A in 1 day = 1
10
Time taken by B to complete the work = 15 days
∴ Work done by B in 1 day = 1
15
Work done by A and B in 1 day
= 1 + 1
10 15
= 3 + 2 = 1
30 6
∴ The total work will be completed in 6 days.
Hence, the correct answer in option B