Question

manisha is abe to 40 %more work then neetu in the same time .if manisha can do certain piece of work in 60 days ,then in how many days will both do the work together

Answer 1

Answer:

This is the answer.

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Answer 2

It has given that, Manisha is able to 40% more work than Neetu in the same time. Manisha can do certain price of work in 60 days

To find : how many days will both do the work together.

solution : using formula, M₁W₁ = M₂W₂

M₁ × 100% = M₂ × (100 + 40)%

⇒M₁/M₂ = 7/5

therefore the ratio of efficiency of Manisha and Neetu is 7 : 5.

if Manisha takes 60 days to complete the work in 60 days

then, Neetu completes the work in 60 × 7/5 days = 84 days

now both will work together in = xy/(x + y) days

here x = 60 days , y = 84 days

= (60 × 84)/(60 + 84) days

= 35 days

Therefore both will do the same work together in 35 days.