engineering recuitment NBCC JE Civil 2024 Mock Test Quantitative Aptitude Time and Work Work Efficiency
A alone can do 2/3 of a work in 40 days, B alone can do 3/4 of the same work in 60 days. In how many days can both A and B together complete 7/8 of the same work?
1
32 days
2
30 days
3
36 days
4
24 days