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SSC CHSL 2025 PYQ — Question 69

SSC CHSL - 12 Nov 2025 - Shift 3 • Quantitative Aptitude • Q69

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A tank is 3/5 full of water. If 20 liters more water is added, it becomes 7/10 full. What is the full capacity of the tank?

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Correct answer: B

Explanation

The tank is 3/5 full.
Upon adding 20 liters of water, it becomes 7/10 full.
710−35=710−610=110\frac{7}{10} - \frac{3}{5} = \frac{7}{10} - \frac{6}{10} = \frac{1}{10}
1/10 part = 20 liters
Total capacity = 20 × 10 = 200 liters