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

1. 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,

2. 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?

3. 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?

4. 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?

5. 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%?

6. 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,

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

8. 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,

9. 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?

10. 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