Question

Vishal completes the job in 25 days. Sachin can do the same job in 10 days. If
Sachin works for 6 days then how many days Vishal will take to complete remaining
job .

Answer 1

Answer:

21 days

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

Time taken by Sachin to complete a work =10 days

So, work done by Sachin in one day =

10

1

Time taken by Rohan to complete a work =15 days

So, work done by Rohan in one day =

15

1

Now, work done by Rohan and Sachin together in one day =

10

1

+

15

1

=

30

5

=

6

1

So,

6

1

of the work is done by both in =1 day

Complete work is done by both in =1×

1

6

=6 days