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10 men can complete a work in 30 days by...

10 men can complete a work in 30 days by working for 8 hours per day. In how many days 12 men working 4 hours a day will complete the work?
किसी कार्य को 10 पुरुष प्रतिदिन 8 घंटों तक कार्य कर 30 दिनों में पूरा कर सकते हैं | 12 पुरुष प्रतिदिन 4 घंटे कार्य कर उसी कार्य को कितने दिनों में पूरा करेंगे?

A

30 Days / दिन

B

50 Days / दिन

C

40 Days / दिन

D

60 Days / दिन

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