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S, T and U together can complete a work ...

S, T and U together can complete a work in 30 days. If the ratio of efficiency of S, T and U is 20 : 15:12 respectively, then in how many days U alone can complete the same work?

A

195/2

B

235/2

C

225/2

D

215/2

Text Solution

Verified by Experts

The correct Answer is:
B
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