Mixture and Alligation
Mixture and Alligation - Important Points
| 1. | A person mixes item A costing Rs. 30/kg with item B costing Rs. 5/kg, and produces a mixture which costs Rs. 12/kg. The ratio in which the person mixes items B and A is: |
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A. 7 : 18
B. 5 : 13
C. 12 : 13
D. 18 : 7
View Answer Discuss Work SpaceAnswer: option d
Explanation:
| 2. | A grocer buys two types of rice at Rs. 18 and Rs. 12 per kg respectively. In what proportion should these be mixed, so that by selling the mixture at Rs. 17.5 per kg, 25% may be gained? |
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A. 2 : 1
B. 3 : 2
C. 2 : 3
D. 1 : 2
View Answer Discuss Work SpaceAnswer: option a
Explanation:
| 3. | A grain merchant has 500 kg of rice, a part of which he sells at 8% profit and the rest at 18%. He gains 14% on the whole. The quantity sold at 18% profit is: |
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A. 200 kg
B. 300 kg
C. 150 kg
D. 180 kg
View Answer Discuss Work SpaceAnswer: option b
Explanation:
| 4. | A trader has 88 kg of rice, a part of which he sells at 14% profit and the rest at 8% loss. On the whole, his loss is 4%. What is the quantity sold at 8% loss? |
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A. 16 kg
B. 72 kg
C. 64 kg
D. 78 kg
View Answer Discuss Work SpaceAnswer: option b
Explanation:
Variety1 Variety2
14% (-8)%
(-4)%
x : y
Applying Alligation Rule -
x : y = [(-4) - (-8)] / [14 - (-4)]
=> x : y = 2 : 9
Therefore, Quantity at 8% loss = (9/11) x 88 = 72 kg
| 5. | A trader mixes 36 kg of grain at Rs.26 per kg with 24 kg of grain of other variety at Rs.36 per kg and sells the mixture at Rs.33 per kg. His profit percent is: |
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A. (6) 2/3%
B. 8%
C. 10%
D. No profit, no loss
View Answer Discuss Work SpaceAnswer: option c
Explanation:
Mixture and Alligation Questions and Answers FAQ
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