Multiple choice

If 10 litres of water is removed from a container and replaced with wine, the ratio of water is to wine 5 : 2. How much water was there originally? यदि एक कन्टेनर से 10 लीटर पानी निकाल कर वाइन डाल दिया जाये तो पानी और वाइन का अनुपात 5 : 2 हो जाता है। प्रारम्भ में पानी कितना था?

  1. 35 Lt./ली.

  2. 25 Lt./ली.

  3. 15 Lt./ली.

  4. 20 Lt./ली.
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A Correct answer
Explanation

Let original water be x liters. After removing 10L and adding wine: (x-10) water remains and 10L wine. Ratio is (x-10):10 = 5:2. So x-10 = 50/2 = 25, thus x = 35L. Verify: 25L water - 10L = 15L water, 10L wine added, ratio 15:10 = 3:2 = 5:2 ✓

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