If 6 workers can complete 9 identical job in 3 days, how long will it take 4 workers to complete 10 such jobs ?
A. 3 days
B. 4 days
C. 5 days
D. 6 days
E. more than 6 days
সঠিক উত্তরঃ
C.
5 days
Explanation:
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