A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in :
A. 8 days
B. 6 days
C. 4 days
D. 12 days
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সঠিক উত্তরঃ
B.
6 days
Explanation:
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