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If 15 men can do a piece of work in 14 d...

If 15 men can do a piece of work in 14 days, how many men will be needed to do the work in 30 days?
यदि 15 लोग किसी कार्य को 14 दिनों में कर सकते हैं, तो इस कार्य को 30 दिनों में करने के लिए कितने लोगों की आवश्यकता होगी ?

A

8

B

10

C

7

D

9

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