SSC Mathematics (Mixture & Alligation) Test – Check yourself Now

1. A container contains 60 litre of spirit. From this container, 6 litre of spirit was taken out and replaced by water. This process was repeated further two times. The amount of spirit left in the container is?

2. A vessel contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 L mixture are drawn off and the vessel is filled with B, the ratio of A and B becomes 7 : 9. Litres of liquid A contained by the vessel initially was

3. Mohan mixes 20% kerosene to his petrol and then he sells the whole mixture at the price of the petrol. If the cost price of kerosene is 40% of the cost price of petrol, what is his net profit?

4. The ratio in which a man must mix rice at Rs.10.20 per kg and Rs.14.40 per kg so as to make a mixture worth Rs.12.60 per kg is?

5. In what proportion must water be added with milk to gain 20% by selling the mixture at cost price?

6. A and B are two alloys of silver and gold prepared by melting and mixing the two metals in the ratios 7 : 2 and 7 : 11 respectively. If equal quantities of the two alloys are melted and mixed to form a third alloy C, the ratio of gold and silver in C would be,

7. Spirit and water are mixed in a vessel A in the ratio 5 : 2 and in the vessel B in the ratio 8 : 5. In what proportion should quantities be taken out from the two vessels so as to form a mixture in which Spirit and water will be in the ratio 9 : 4?

8. The ratio in which a special tea at Rs.960 per kg is mixed with regular tea at Rs.750 per kg so as to gain a profit of 20% by selling the mixture at Rs.972 per kg, is,

9. How much pure alcohol must be added to 400 ml of a solution containing 16% of alcohol to change the concentration of alcohol in the mixture to 40%?

10. The ratio of juice and water in two mixtures of volumes 20 litres and 36 litres are 3 : 7 and 7 : 5 respectively. The two mixtures are mixed together. Now the ratio of juice and water in the new mixture is,