Hello and welcome to ExamPundit. As asked by our member, here is a set of Quantitative Aptitude Problems only containing mixture and alligation problems.


1. A trader bought 50 kg of wheat of Rs. 7 per kg. and 20 kg. of wheat at Rs. 8 per kg. He mixed the two and sold the mixture at Rs. 10 per kg What is his profit?
(a) Rs. 510
(b) Rs. 700
(c) Rs. 190
(d) Rs. 290
(e) None of these



2. Avishek bought 30 kg of rice at Rs. 8·50 per kg and 20 kg of rice at Rs. 8·00 per kg. If he has to make a 20% profit, at approximately what rate per kg should he sell the rice?
(a) Rs. 9·00
(b) Rs. 12·00
(c) Rs. 8·50
(d) Rs. 8·00
(e) None of these



3. Shambhu bought 20 kg of wheat at Rs. 6·50 per kg and 30 kg of wheat at Rs. 7 per kg. He sold the mixture at a profit of Rs. 60. At what price did he sell per kg of the mixture of wheat?
(a) Rs. 6·80
(b) Rs. 7·00
(c) Rs. 8·00
(d) Rs. 60·00
(e) None of these



4. How much water should be added to 175 litre of milk at Rs. 8·00 per litre so as to have a mixture worth Rs. 7·00 per litre?
(a) 27 litre
(b) 35 litre
(c) 25 litre
(d) 24 litre
(e) None of these



5. How much wheat at Rs. 4·00 a kg should be mixed with 42 kg of wheat at Rs. 6·00 a kg so as to have a mixture worth Rs. 4·80 a kg?
(a) 63 kg
(b) 53 kg
(c) 52 kg
(d) 60 kg
(e) None of these



6. Two alloys of gold and copper are prepared by mixing in the ratio of 7 : 2 and 7 : 11. A third alloy is made after mixing the equal quantities of two alloys. The ratio of gold and copper is third alloy is :
(a) 7 : 12
(b) 14 : 13
(c) 7 : 5
(d) 2 : 11
(e) None of these



7. Aman buys milk at a certain price and after mixing it with water sells it again at the same price. How many ml of water he mixes in a litre of milk if he makes a profit of 20% ?
(a) 200 ml
(b) 250 ml
(c) 150 ml
(d) 20 ml
(e) None of these



8. A mixture of 40 litres of milk and water contains 10% of water. How much water must be added to make the water 20% of the resulting mixture?
(a) 10 litre
(b) 7 litre
(c) 5 litre
(d) 3 litre
(e) None of these




9. Olive oil costs Rs. 100 per kg. After adulterating it with vegetable oil costing Rs. 50 per kg, a shopkeeper sells the mixture at Rs. 96 per kg, thereby making a profit of 20%. In what ratio does be mix the two?
(a) 1 : 2
(b) 3 : 2
(c) 3 : 1
(d) 2 : 3
(e) None of these




10. By mixing two qualities of pulses in the ratio 2 : 3 and selling the mixture at the rate of Rs. 22 per kg, a shopkeeper makes a profit of 10%. If the cost of the smaller quantity be Rs. 14 per kg, the cost per kg of the larger quantity is :
(a) Rs. 23
(b) Rs. 24
(c) Rs. 25
(d) Rs. 26
(e) None of these




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