railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work Work Efficiency
If 10 men or 16 boys can build a house in 60 days, in how many days can 25 men and 16 boys build this house?
1
17 days
2
\(16\frac{1}{7}\) days
3
\(17\frac{2}{7}\) days
4
None of these