Working independently, Sourodip can perform a certain task in 6 hours and Eshanee can perform it in 7 hours. If Sourodip and Eshanee work together for 3 hours, and then Sourodip leaves, how many hours will it take Eshanee to complete the task alone?
A. 1/14
B. 2/5
C. 1/2
D. 29/42
E. 1
সঠিক উত্তরঃ
C.
1/2
Explanation:
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