SSC CGL – Combined Graduate Level Examination · Question 63
A tank contains liquids A, B, and C in the ratio 8:6:4. 30 liters of the mixture are drained out, after which 12 liters of A and 8 liters of C are added. In the final mixture, the quantity of A is 20 liters more than the quantity of B. Find the initial total volume of the mixture in the tank.
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Answer: (C) 102L
Explanation
With 18k litres: (8k − 13.33 + 12) − (6k − 10) = 20 gives k ≈ 5.67, total 102 L.