LAST TIME REVISION (MIXTURE AND ALLIGATIONS)-1

1) In What ratio salt costing Rs13 per kg mixed with another salt costing Rs7 per kg to get a mixture costing Rs9 per kg 
a) 4:7 b) 3:5 c) 2:3 d) 1 :2

2) Two mixtures have milk and water in the ratio 1: 4 and 3:2 respectively. In what ratio two types of mixture have to be mixed to get a new mixture having ratio of milk and water as 1:1 ?
a) 4:3 b) 5 :3 c) 3: 2 d) 1:3

3) In a mixture of milk and water, there is 19% milk. If the quantity of milk in the mixture of 437ml, then what is the total quantity (in millimetres) of mixture?
a) 2300 b) 2200 c) 2100 d) 2400

4) How much water must be added to a bucket which contains 40 litera of milk at the cost price of Rs3.50 per litre, so that the cost of milk reduces to Rs2 per litre ?
a) 25 b) 28 c) 30 d) 35 

5) A confectioner sells the milk after mixing some water in it at the same rate at which he bought. If he gains 25% on his way, the quantity of water mixed with per litre of milk is
a)  0.25 b) 2.5 c) 1.5  d) 0.35 

6) In what proportion must water be added to spirit to gain 20% by selling it at the cost price ?
a) 2:5 b) 1:5 c) 3:5 d) 4:5

7) In what ratio sugar of Rs38 per kg and Rs30 per kg and be mixed with each other so that on selling mixture at Rs 35.2 per kg there will be a gain of 10%?
a) 1:3 b) 3:7 c) 13:7 d) 9:4

8) In a mixture of 35L, the ratio of milk and water is 4:1. If 7 L of water is added to mixture, then the new ratio will be
a) 2:1  b) 1:2 c) 3:2 d) 2:3 

9) A  container has 84 L of mixture consisting of milk and water in the ratio 5:2. To make this ratio 2:1, the quantity of more water required to be added will be
a) 2 litre b) 4  c) 6  d) 8 

10) A veriety of rice at Rs14 per kg is mixed to Rs15 kg of another variety rice at Rs20 per kg, so as to make a mixture worth Rs 16.50 per kg. The quantity of a rice at Rs14 per kg must be 
a) 5 kg b) 7 kg c) 15kg d) 21 kg 

11) The milk and water in two vessels are in the ratio 3:1 and 7 : 11, respectively. In what ratio should the liquid in both the vessels be mixed to obtain a new mixture containing half milk and half water?
a) 5:7 b) 4:9 c) 1:1 d) 4:7

12) two vessels of equal capacity contains juice and water in the ratio 5 :1 and 5:7 respectively. The mixture of both the vessels are mixed and transferred in to a bigger vessel. What is the ratio of juice and water in the new mixture?
a) 3: 2 b) 5:3 c) 5:4 d) 1:2

13) A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7:2 and 7:11 respectively. If equal quantities of the alloys are melted to form a third alloys C, the ratio of gold and copper in C will be 
a) 5:7 b) 5 :9 c) 7 :5 d) 9 :5 

14) A milkman has two types of milk. In one, the percentage of water is 10 and in the second the percentage of water is 20. If he takes 90 litre milk of type I and 60L of milk of type II and prepares a new mixture, the percentage of water in this new mixture is
a) 12% b) 14% c) 15% d) 19% 

15) The ratio of milk and water in 3 samples is 1:3, 3:5 and 11:5. A mixture containing equal quantities of all three samples is made. What will be the ratio of milk and water in the new mixture?
a) 7:9 b) 5:7 c) 15:13 d) 9:11

16) The alcohol and water in a mixture are in the ratio 7:8 respectively. If 11 litre water is added to it, then the ratio of alcohol and water in the new mixture becomes 3: 5. What is the total quantity( in litres) of the alcohol in the new mixture ?
a) 21 b) 24  c) 35 d) 32

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