BA LLB Banaras Hindu University 2018 Solved Paper

Question : 121 of 170

Marks: +1, -0

A

can do a work in 36 days and

B

in 12 days. If they work on it together, then in how many days will they be able to do the work?

Solution:

∴

A's one day work

=\;{1}/{36}

and B's one day work

=\;{1}/{12}

∴ (A+B)

's one day work

=\;{1}/{36}+\;{1}/{12}

∴ A

and

B

will complete the whole work in 9 days

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