Quantitative Apitude-Alligation or Mixture
Quantitative Apitude-Alligation or Mixture
1. In what ratio must rice at Rs. 9.30 per kg be mixed with rice at Rs. 100.80 per kg so that the mixture be worth Rs. 10 per kg ?
- 7 : 8
- 8 :7
- 31 :36
- 36 : 31
2. In what ratio must wheat at Rs. 3.20 per kg be mixed with wheat at Rs. 2.90 per kg so that the mixture be worth Rs. 3.08 per kg ?
- 4 : 3
- 3 : 4
- 2 : 3
- 3 : 2
3. How many kilograms of sugar consting Rs. 9 per kg must be mixed with 27 kg of sugar costing rs. 7 per kg so that there may be a gainof 10 % by selling the mixture at Rs. 9.24 per kg. ?
- 54 kg
- 63 kg
- 36 kg
- 42 kg
4. Two vellels A and B contain milk and water mixed in the ratio 8 : 5 and 5 : 2 respectively. The ratio in which these two mixtures be mixed to get a new mixture containing milk and water in the ratio 9 : 4?
- 2 : 7
- 5 : 2
- 1 : 2
- 2 : 1
5. In what ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre ?
- 3 : 2
- 2 : 3
- 1 : 2
- 2 : 1
6. A sum of Rs. 4000 is lent out in two parts, one at 8 % simple interest and the other at 10% simple interest. if the annual interest is Rs. 352. the sum lent at 8% is :
- Rs. 1600
- Rs. 2400
- Rs. 1800
- Rs. 2800
7. A merchant has 1000 kg of sugar, part of whch he sells at 8 % profit and the rest at 18% profit. He gains 14% on the whole. the quantity sold at 18% profit is :
- 640 kg
- 560 kg
- 600 kg
- 400 kg
8. Two vessels A and B contain mik and water mixed in the ratio 4:3 and 2:3. In what ratio must these mixtures be mixed to form a new mixture containing half milk and half water ?
- 7 : 5
- 1 : 2
- 2 : 1
- 6 : 5
9. A jar full of whisky contains 40% alcohol. A part of this whisky is replaced by another containing 19 % alcohl and now the percentage of alcohol was found to be 26%. The quantity of whisky replace is :
- 1/3
- 2/3
- 2/5
- 3/5
10. 729 mil of mixture contains milk and water in the ratio 7:2, How much more water is to be added to get a new mixture containing milk and water in the ratio 7 : 3 ?
- 79 ml
- 81 ml
- 72 ml
- 91 ml