Question

A alone can do a piece of work in 35 days If B is 40% more efficient than A, then B will finish the work in how many days​

Answer 1

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Answer 2

The B will finish the work in 14 days.

Step-by-step explanation:

Days in which A can do a piece of work = 35

Work done by A in day = $\frac{1}{35}$

Days in which B can do a piece of work =

Efficiency of B = 40% more than A = A + 0.4A = 1.4A

Work done by B in a day :

$1.4\times \frac{1}{35}=0.4$

Work done by B in day = $0.4=\frac{1}{25}$

Days in which B can do a piece of work = 25

The B will finish the work in 25 days.

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