Alligation MCQ Set 2
ALLIGATION MCQ SET 2
1. 40 litres of a mixture of milk and water contains 10% of water , the amount of water to be added , to make the water content 20% in the new mixture is:
(a) 6 litre
(b) 6.5 litre
(c) 5.5 litre
(d) 5 litre
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Answer: D
2. 300 gram of sugar solution has 40% of sugar in it . How much sugar should be added to make it 50% in the solution ?
(a) 60 gms
(b) 80 gms
(c) 10 gms
(d) 40 gms
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Answer: A
3. An alloy contains copper and tin the ratio 3 : 2 . If 250 gms of copper is added to this alloy then the cooper in it becomes double the quantity of tin in it . What is the amount (in gms) of tin in the alloy ?
(a) 250
(b) 750
(c) 1000
(d) 500
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Answer: D
4. A jar full of 60 litres syrup contains 40% honey . A part of this syrup is replaced by another containing 19% of honey and now ratio of honey and other would be 13 : 37 . Find the quantity syrup is replaced .
(a) 40
(b) 45
(c) 35
(d) 80
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Answer: A
5. A jar full of 70 litres syrup contains 50% honey . A part of this syrup is replaced by another containing 29% of honey and now ratio of honey and other would be 32% . Find the quantity syrup is replaced .
(a) 40
(b) 50
(c) 60
(d) 70
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Answer: C
6. In what ratio should coffee powder costing Rs.2500/kg be mixed with coffee powder costing Rs.1500/kg so that the cost of the mixture is Rs.2250/kg?
(a) 1 : 4
(b) 4 : 1
(c) 3 : 1
(d) 1 : 3
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Answer: C
7. In what ratio , sugar costing Rs.60 per kg be mixed with sugar costing Rss.42 per kg such that by selling the mixture of Rs.56 per kg there is a gain of 12% ?
(a) 5 : 7
(b) 8 : 9
(c) 5 : 6
(d) 4 : 5
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Answer: D
8. How many kg of salt costing Rs.28 per kg must be mixed with 39.6 kg of salt costing Rs.16 per kg , so that selling the mixture at Rs.29.90 , there is a gain of 15% ?
(a) 198
(b) 133
(c) 132
(d) 135
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Answer: A
9. A student bought 10 pencils and 8 pens at Rs.150 . He sells pencil at 4% profit and pen at 7% profit . Overall he gains Rs.9 . Find the cost price of each pencil and pen ?
(a) 3 , 6
(b) 5 , 10.5
(c) 5 , 12.5
(d) 3 , 6
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Answer: C
10. A shopkeeper bought one type of rice at Rs.12 per kg and other type at Rs.16.25 per kg . After mixing both types of rice he fixed the cost of mixture as Rs.14.75 per kg . If the total quantity of the rice be 85 kg , find the quantity of first type of rice .
(a) 55 kg
(b) 30 kg
(c) 35 kg
(d) 40 kg
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Answer: B