Question

A is 30% more efficient than B and can alone do a piece of work in 23 days. In how many days A and B working together, can finish the job is

Answer 1

$\underline{\underline{\Huge\mathfrak{Answer ;}}}$

Your Answer is ; 13 Days.

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Step by Step Explanation ;-
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=> A is 30% more efficient than B : A + 0.3A =1.3A

=> Work done by A in one day: 1/23

=> Work done by B in one day: 1/(1.3*23) = 1/29.9

=> Work done by A+B in one day: 1/23 + 1/29.9 = 1/13

• If both of them worked together, it would take them 13 days.

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@dmohit432