engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Quantitative Aptitude Time and Work Work Efficiency
Working together, A, B and C can complete a work in 36 days. If the efficiency of A, B and C are in the ratio 5 : 6 : 9, then B alone will complete the same work in:
1
120 days
2
100 days
3
60 days
4
90 days