A sample of milk contains 5% water. What quantity of pure
milk should be added to 10 litres of milk to reduce the
water content to 2%?
(a) 5 litres
(b) 7 litres
(c) 15 litres
(d) 12 litres
(e) None of these
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Answer Posted / naeem ahmad
Since 95% is milk in mixture.
So 95% of 10 + X = 98% of (10 + X)
9.5 + X = 9.8 + 0.98X
So X = 15 liters
Answer is C.
| Is This Answer Correct ? | 40 Yes | 5 No |
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