1.

Anu can complete a work in 10 days. Manu is 25% more efficient than Annu and Sonu is 60% more efficient then Manu. Working together, how long would they take to finish the job?

Answer»

`3(5)/(8)` days
`5(6)/(7)` days
`2(6)/(17)` days
None of these

Answer :C


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