A does 7\10 part of work in 15 days. After that he completes the remaining work in 4 days with the help of B. In how many days will A and B together do the same work?

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Asked: January 9, 20222022-01-09T15:10:15+05:30 2022-01-09T15:10:15+05:30Category: Number Puzzles

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Mighty Ashish · Answer 1 · 2022-01-09T15:10:31+05:30

Explanation:

Let total work be 1 unit

A and B competes 1− 7\10=3\10of work in 4 days.

They will complete the whole work in

3\10work in 4 days

1 work in 4×10 \ 3=13 1\3 days