Question (7/120)
Milk contains 5% water. What quantity of pure milk should be added to 10 litres of milk to reduce water content to only 2% ?(A) 5 Litres
(B) 7 Litres
(C) 10 Litres
(D) 15 Litres
Question (8/120)
How much pure alcohol has to be added to 400 ml of a solution containing 15% alcohol to change concentration of alcohol of mixture to 32% ?(A) 80 ml
(B) 90 ml
(C) 100 ml
(D) 110 ml