26. Sagar can complete a work in 15 days. Suman can do it in 10 days. They start
working together, but two days later Suman goes away. In how many days will
Sagar finish the remaining work ?
days
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Answer:
no. of work done by sagar in one day 1/15
no. of work done by Suman in one day 1/10
Both can finish work in one day = 1/15 + 1/10
= 2/30 + 3/30
5/30
= 1/6
In day = 1/6
After two days = 2/6 = 1/3
So 1 = 1/3 +1/15x
2/3 = 1/15x
2/3 × 15 = x
10 = x
So in 12 days they can finish
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