railway DFCCIL MTS 2025 Mock Test Series Quantitative Aptitude Time and Work Work Efficiency

A man does double the work done by a boy in the same time. The number of days that 3 men and 4 boys will take to finish a work which can be done by 10 men in 8 days is:

1
4
2
16
3
\(7\frac{3}{{11}}\)
4
\(8\frac{4}{5}\)
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