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30 men working 8 hours per day can dig a...

30 men working 8 hours per day can dig a pond in 16 days. By working how many hours per day can 32 men dig two same ponds, in 20 days?

A

7 hours per day

B

5 hours per day

C

8 hours per day

D

6 hours per day

Text Solution

Verified by Experts

The correct Answer is:
D
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