A. 4
B. 9.6
C. 9
D. 10
Part of work completed by A and B in 4 days
= 4*((1/16) + (1/12))
= 7/12 C can complete 5/12th of the work in 4 days C can complete the whole job in
4÷(5/12) = 9.6 days
Correct Answer: B. 9.6 ✔
Last Updated: November 19, 2019
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