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Quantitative Aptitude

MIXTURES AND ALLEGATIONS MCQs

Alligations And Mixtures

Total Questions : 245 | Page 1 of 25 pages
Question 1. 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.    1 : 3
  2.    2 : 3
  3.    3 : 4
  4.    4 : 5
 Discuss Question
Answer: Option B. -> 2 : 3
Answer: (b).2 : 3
Question 2. In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
  1.    3 : 2
  2.    3 : 4
  3.    3 : 5
  4.    4 : 5
 Discuss Question
Answer: Option A. -> 3 : 2
Answer: (a).3 : 2
Question 3. 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 : 65. How much wine did the cask hold originally?
  1.    18 litres
  2.    24 litres
  3.    32 litres
  4.    42 litres
 Discuss Question
Answer: Option B. -> 24 litres
Answer: (b).24 litres
Question 4. 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:
  1.    Rs. 18
  2.    Rs. 18.50
  3.    Rs. 19
  4.    Rs. 19.50
 Discuss Question
Answer: Option A. -> Rs. 18
Answer: (a).Rs. 18
Question 5. 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:
  1.    400 kg
  2.    560 kg
  3.    600 kg
  4.    640 kg
 Discuss Question
Answer: Option C. -> 600 kg
Answer: (c).600 kg
Question 6. Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:
  1.    Rs. 169.50
  2.    Rs. 170
  3.    Rs. 175.50
  4.    Rs. 180
 Discuss Question
Answer: Option C. -> Rs. 175.50
Answer: (c).Rs. 175.50
Question 7. A can contains a mixture of two liquids A and B is the ratio 7 : 5. 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?
  1.    10
  2.    20
  3.    21
  4.    25
 Discuss Question
Answer: Option C. -> 21
Answer: (c).21
Question 8. A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?
  1.    1/3
  2.    1/4
  3.    1/5
  4.    1/7
 Discuss Question
Answer: Option C. -> 1/5
Answer: (c).1/5
Question 9. 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?
  1.    4 litres, 8 litres
  2.    6 litres, 6 litres
  3.    5 litres, 7 litres
  4.    7 litres, 5 litres
 Discuss Question
Answer: Option B. -> 6 litres, 6 litres
Answer: (b).6 litres, 6 litres
Question 10. In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?
  1.    3 : 7
  2.    5 : 7
  3.    7 : 3
  4.    7 : 5
 Discuss Question
Answer: Option C. -> 7 : 3
Answer: (c).7 : 3

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