Question
A water tank has two holes. The 1 hole alone empties the
tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?Solution
The correct answer is A
More Pipes and cisterns Questions
33 34 37 42 48 58
121, 118, 122, 115, 127, 112
210, 140, 105, 84, 70, 63, 52.5
150, 900, 300, 1800, 600, 3700, 1200
126 130 114 150 82 186 42
...1000, 200, 56, 24, 12, 7.2
120, 139, 196, 291, 420, 595
6, -3, 11, 21, 125, 715
Find the wrong number in given number series.
1520, 1760, 2120, 2720, 2840, 2560
213, 215, 225, 257, 313, 393
Relevant for Exams:
