A 40-litre mixture of milk and water contains 10% water. How much water must be added to make the water 20% of the new mixture?
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Correct answer: (B) 5 litres
From DSSSB TGT Computer Science Full Mock Test 5
This is question 48 of DSSSB TGT Computer Science Full Mock Test 5. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.