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Question 1:
Milk contains 15% water. What quantity of pure milk should be added to 50 litres of milk to reduce the quantity of water to 12% ?
A. 16 Litres
B. 14 Litres
C. 12.5 Litres
Feedback => 50*15/100 = (50+x)*12/100
=> 7.5 *100 = 600+12x
=> 12x = 150
X = 150/12 = 12.5 Litres
D. None of these

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