defence exam Agniveer Army Technical Mock Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
Three pipes A, B and C can fill a tank in 5, 10 and 15 hours respectively. If A is continuously open and B and C are open alternately for one hour respectively, the tank will be filled in:
1
4.5 hours
2
3 hours
3
4 hours
4
3.5 hours