Alligations and Mixtures Problems Practice Question and Answer

Q:

Ankit has three varieties of rice costing 18 Rs/kg,25 Rs/kg and 36 Rs/kg, In what possible ratio he should mix these three varieties so that on selling whole mixture at 23.10 Rs/kg he may get a profit of 10%?

2155 0

  • 1
    5 : 4 : 2
    Correct
    Wrong
  • 2
    9 : 3 : 1
    Correct
    Wrong
  • 3
    3 : 2 : 1
    Correct
    Wrong
  • 4
    7 : 4 : 3
    Correct
    Wrong
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Answer : 2. "9 : 3 : 1"

Q:

In what proportion must a grocer mix sugar at Rs. 12 a kg and Rs. 7 a   kg Sugar as to make a mixture worth Rs 8. a kg?

1379 0

  • 1
    7:12
    Correct
    Wrong
  • 2
    1:4
    Correct
    Wrong
  • 3
    2:3
    Correct
    Wrong
  • 4
    12:7
    Correct
    Wrong
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Answer : 2. "1:4"

Q:

An alloy contains zinc, copper and tin in the ratio 2:3:1 and an other contains copper, tin and lead in the ratio 5:4:3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in the new alloy will be.

2229 0

  • 1
    ½ kg
    Correct
    Wrong
  • 2
    1/8 kg
    Correct
    Wrong
  • 3
    3/14 kg
    Correct
    Wrong
  • 4
    7/9 kg
    Correct
    Wrong
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Answer : 2. "1/8 kg"

Q:

Alcohol and water in two vessels A and B are in the ratio 5:3 and 5:4 respectively. In what ratio, the liquid of in both the vessels be mixed to obtain a new mixture in vessel C in the ratio 7:5?

1664 0

  • 1
    2:3
    Correct
    Wrong
  • 2
    3:2
    Correct
    Wrong
  • 3
    3:5
    Correct
    Wrong
  • 4
    2:5
    Correct
    Wrong
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Answer : 1. "2:3"

Q:

A mixture of 40 liters of milk and water contains 30% water. How much milk should be added to this mixture so that the new mixture contains 80% milk?

1287 1

  • 1
    20
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    15
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
  • 5
    25
    Correct
    Wrong
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Answer : 1. "20 "

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Answer : 1. "1.25 kg"
Explanation :

Answer: A) 1.25 kg Explanation: Let the initial amount of honey in the jar was k, then    512 = k1 - 154 or  512 = k454   => k = 512 × 625256  => k = 1250    Hence initially the honey in the jar = 1.25 kg

Q:

In one glass, milk and water are mixed in the ratio 3:5 and in another glass they are mixed in the ratio 6:1.In what ratio should the content of the two glasses be mixed together so that new mixture contains milk and water in the ratio 1:1?

1773 0

  • 1
    20:7
    Correct
    Wrong
  • 2
    8:3
    Correct
    Wrong
  • 3
    27:4
    Correct
    Wrong
  • 4
    25:9
    Correct
    Wrong
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Answer : 1. "20:7"

Q:

In a mixture of milk and water milk is found to be 28%. When 16 litre water is added in the mixture new percentage of milk in mixture becomes 20%. Find the initial quantity of mixture.

1058 0

  • 1
    42 litre
    Correct
    Wrong
  • 2
    48 litre
    Correct
    Wrong
  • 3
    36 litre
    Correct
    Wrong
  • 4
    40 litre
    Correct
    Wrong
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Answer : 4. "40 litre"

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