Taking LCM of 24, 30 and 20 = 120 Efficiency of A = 5 Efficiency of B = 4 Efficiency of (A+B-C) = 6 Efficiency of C = (5 + 4) – 6 = -3 Pipe C empty the tank in = 120/3 = 40 min Capacity of the tank = 40 × (9/3) = 120 gallons
Statements: J = S ≤ A = Y > X, W ≥ J > O = B
Conclusion:
I. W ≥ S
II. S > B
III. B < A
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