A) 10 days
B) 12 days
C) 8 days
D) None of these
Correct Answer: A
Solution :
Work done by 6 women in 1 day \[=\frac{6}{10\times 8}=\frac{3}{40}\] and work done by 3 children in 1 day \[=\frac{3}{10\times 12}=\frac{1}{40}\] Then, work done by 6 women and 3 children together in 1 day \[=\frac{3}{40}+\frac{1}{40}=\frac{1}{10}\] Hence, required time = 10 days.
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