Question

Arun can do a piece of work in 5 days and RAM in 4 days how long will they take to do the same work if they work together​

Answer 1

Answer:

Arun can do a piece of work in 5 day and RAM in 4 day 9 day long will ghey take to do the same work if they work together

Answer 2

When arun and ram work together they will require 2.22 days to complete the work

Step-by-step explanation:

We have given that Arun can do a piece of work in 5 days

So 1 day work of arun $=\frac{1}{5}work$

And Ram can do a piece of work in 4 days

So 1 day work of Ram $=\frac{1}{4}work$

When they work together then 1 day work $=\frac{1}{5}+\frac{1}{4}=\frac{9}{20}work$

So number of days required to do the work when they work together is $=\frac{20}{9}=2.22days$

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