insurence exam NIACL AO (Pre + Mains) Mock Test Series 2024 Quantitative Aptitude Time and Work Work Efficiency
20 labourers, working 7 hours a day can finish a piece of work in 30 days. If the labourers work 5 hours a day, then the number of labourers required to finish the same piece of work in 40 days, will be?
1
21
2
24
3
18
4
29
5
None of these