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Q.

Ramesh is twice as good a workman as Sunil and finishes a piece of work in 3 hours less than Sunil. In how many hours they together could finish the same piece of work ?

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An Intiative by Sri Chaitanya

a

2

b

123

c

213

d

None of these

answer is B.

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Detailed Solution

Let Sunil finishes the job in x hours.

Then, Ramesh will finish the job in x2 hours.

We have,

xx2=3 x=6

Therefore, Sunil finishes the job in 6 hours and Ramesh in 3 hours.

Work done by both of them in 1 hour

=16+13 =12

They together finish the piece of work in 2 hours.

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