If a tank is half full, and after adding 30 liters of water it becomes three-fourths full, what is the full capacity of the tank?
- 90 liters
- 120 liters
- 150 liters
- None of these
Explanation
The increase from 1/2 to 3/4 is 1/4 of the tank.
So,
1/4 of the tank = 30 liters
Full capacity = 30 × 4 = 120 liters
Last verified on 11-07-2026
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