Question

A can do a piece of work in 10 days and B can do the same work in 20 days In how many days they both Will do the work together​

Answer 1

Question :-

• A can do a piece of work in 10 days and B can do the same work in 20 days. In how many days they both will do the work together?

Answer

Given :-

• A can do a piece of work in 10 days.
• B can do the same work in 20 days.

To Find :-

• Number of days they both will do the work together.

Solution :-

A can do a piece of work in 10 days.

⇛ A's 1 day work = 1/10.

B can do the same work in 20 days.

⇛ B's 1 day work = 1/20.

$\bf \:So, \: (A + B)'s \: one \: day \: work = \dfrac{1}{10} + \dfrac{1}{20}$

$\bf\implies \:\dfrac{2 + 1}{20}$

$\bf\implies \:\dfrac{3}{20}$

So, number of days taken by A and B to finish the work is 20/3 days.

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Answer 2

Answer:

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