Quantitative Apitude-Alligation or Mixture
Quantitative Apitude-Alligation or Mixture
31. 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 81. How much wine did the cask hold originally?
- 18 litres
- 24 litres
- 32 litres
- 42 litres
32. A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is:
- 400 kg
- 560 kg
- 600 kg
- 640 kg
33. A milk vendor has 2 cans of milk.The first contains 25% water and the rest milk.The second contains 50% water. How much milk should he mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3 : 5 ?
- 4litres, 8 litres
- 6litres, 6 litres
- 5litres, 7 litres
- 7litres, 4 litres
34. Two vessels A and B contain spirit and water in the ratio 5 : 2 and 7 : 6 respectively. Find the ratio in which these mixture be mixed to obtain a new mixture in vessel C containing spirit and water in the ration 8 : 5 ?
- 4 : 3
- 3 : 4
- 5 : 6
- 7 : 9
35. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?
- 10
- 20
- 21
- 25
36. The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs.20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is
- Rs. 19.50
- Rs. 19
- Rs. 18
- Rs. 18.50
37. In what ratio must water be mixed with milk costing Rs.12 per litre to obtain a mixture worth of Rs.8 per litre?
- 1 : 2
- 2 : 1
- 4 : 3
- 5 : 3
38. In what ratio must tea at Rs.62 per Kg be mixed with tea at Rs. 72 per Kg so that the mixture must be worth Rs. 64.50 per Kg?
- 3 : 1
- 3 : 2
- 4 : 3
- 5 : 3
39. Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
- 1 : 3
- 2 : 3
- 3 : 4
- 4 : 5
40. Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
- 1 : 3
- 2 : 3
- 3 : 4
- 4 : 5