Q : 200 litres of mixture contains 15% water and the rest is milk. The amount of milk that must be added so that the resulting mixture contains 87.5 % milk is:
(A) 30 litres
(B) 35 litres
(C) 40 litres
(D) 45 litres
In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc will be
(A) 3 : 2
(B) 1 : 2
(C) 2 : 1
(D) 2 : 3
A tank contains a mixture of 80 litre of milk and water. 70% of the milk and 30% of the water are drawn, therefore 55% part of the tank become empty. Find the initial quantity of milk and water in the tank.
(A) 50 litre , 30 litre
(B) 30 litre, 50 litre
(C) 20 litre, 60 litre
(D) None of these
In what ratio must a mixture of 30 % alcohol strength be mixed with that of 50 % alcohol strength so as to get a mixture of 45 % alcohol strength?
(A) 2 : 1
(B) 3 : 1
(C) 1 : 2
(D) 1 : 3
Milk and water are mixed in vessel A in the ratio of 5:2 and in vessel B in the ratio of 8:5. In what ratio should quantities be taken from the two vessels so as to form a mixture in which milk and water will be in the ratio of 9:4 ?
(A) 7:2
(B) 5:2
(C) 2:7
(D) 2:5
Three vessels whose capacities are in the ratio of 3: 2: 1 are completely filled with milk mixed with water. The ratio of milk and water in the mixture of vessels are 5: 2, 4: 1 and 4: 1 respectively. Taking 1/3 of first, 1/2 of second and 1/7 of third mixtures, a new mixture kept in new vessel is prepared. The percentage of water in the new mixture is
(A) 30
(B) 24
(C) 32
(D) 28
Lala has lent some money to Arun at 5% p.a. and Bhatia at 8 % p.a. At the end of the year, he has gained an overall interest at the rate 6%. In what ratio has he lent the money to Arun and Bhatia?
(A) 3 : 2
(B) 3 : 1
(C) 2 : 1
(D) 1 : 2
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