A. 3
B. 3.5
C. 2.5
D. 2
Explanation:
Part filled by A + B + C in 1 hour = 1/5 + 1/10 + 1/30 = 1/3
All the three pipes together will fill the tank in 3 hours.
A. 3
B. 3.5
C. 2.5
D. 2
Explanation:
Part filled by A + B + C in 1 hour = 1/5 + 1/10 + 1/30 = 1/3
All the three pipes together will fill the tank in 3 hours.