Question

"A" can do 1/5th of a certain work in 2 days and "B" can do 2/3 rd of it in 8 days . In how much time can they together complete the work?​

Answer 1

I hope it helps all.

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Answer 2

Question= "A" can do 1/5th of a

certain work in 2 days and "B" can do 2/3 rd of it in 8 days . In how much time can they together complete the work?

Solution:

lets have fun with fractions,

Numerator = value completed

Denominator = total value

Here, numerator is treated as the work completed and denominator as the final value.

Then total work needs to be equal and efficiency is calculated.

By putting it in the formula time is calculated.