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12 men can complete a work within 9 days...

12 men can complete a work within 9 days. After 3 days they started the work, 6 men joined them to replace 2 men. How many days will they take to complete the remaining work?

A

2

B

3

C

4

D

`4 1/2`

Text Solution

Verified by Experts

The correct Answer is:
D
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