2 years ago in Time and Work

# A and B completed a work together in 5 days. had A worked at twice the speed and B at half the speed, it would have taken them four days to complete the job. How much time would it take for A alone to do the work?

[A] 10 days
[B] 20 days
[C] 25 days
[D] 15 days
[E] 24 days

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Singavarapu Vasu - 1 year ago

Singavarapu Vasu is saying 10 days is correct answer

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• [B] 12(2/3) days
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### A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?

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