Alligations and Mixtures Problems Practice Question and Answer

Q:

An alloy of copper and aluminum has 40% copper. Another alloy of Copper and Zinc has Copper and Zinc in the ratio 2: 7. These two alloys are mixed in ratio 5:3. Quantity of aluminum is what percent more/less than the quantity of copper in final alloy.

782 0

  • 1
    $$ {11 {1\over 9}{\%}}$$
    Correct
    Wrong
  • 2
    $$ {11 {1\over 3}{\%}}$$
    Correct
    Wrong
  • 3
    12 %
    Correct
    Wrong
  • 4
    13 %
    Correct
    Wrong
  • 5
    12.5 %
    Correct
    Wrong
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Answer : 5. "12.5 %"

Q:

In an alloy, zinc and copper are in the ratio 1 : 2. In the second alloy the same elements are in the ratio 2 : 3. In what ratio should these two alloys be mixed to form a new alloy in which the two elements are in ratio 5 : 8?

516 0

  • 1
    7 : 11
    Correct
    Wrong
  • 2
    3:10
    Correct
    Wrong
  • 3
    5 : 11
    Correct
    Wrong
  • 4
    9:11
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "3:10"

Q:

A container contains a mixture of acid and water in which water is 24%. If 50% of the mixture is taken out in which water is 156 liters less than the acid, then find the remaining quantity of acid in that container?

899 0

  • 1
    282 lit
    Correct
    Wrong
  • 2
    306 lit
    Correct
    Wrong
  • 3
    236 lit
    Correct
    Wrong
  • 4
    216 lit
    Correct
    Wrong
  • 5
    228 lit
    Correct
    Wrong
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Answer : 5. "228 lit"

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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:

Abdul prepared 42 litres of medicine and filled it in bottles of 280 ml each. Find how many bottle would be required?

850 0

  • 1
    15
    Correct
    Wrong
  • 2
    1500
    Correct
    Wrong
  • 3
    150
    Correct
    Wrong
  • 4
    300
    Correct
    Wrong
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Answer : 3. "150"

Q:

In a mixture 25 litres, the ratio of milk and water is 4:1. How many litres of milk must be added to make the ratio 16:1?

780 0

  • 1
    21
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 3. "60"

Q:

The ratio of milk and water in 42 litres of milk and water is 4 : 3. If x litres less of both quantities liquids be mixed up then their ratio becomes 7 : 5. Find the value of x.

931 0

  • 1
    4.00 litre
    Correct
    Wrong
  • 2
    3.00 litre
    Correct
    Wrong
  • 3
    3.26 litre
    Correct
    Wrong
  • 4
    1.45 litre
    Correct
    Wrong
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Answer : 2. "3.00 litre"

Q:

X liters of milk is taken out and replaced with water from a container having 240 liters milk. Now, 20% of the mixture is taken out and replaced with water. In final mixture, the difference in quantity of milk & water is 128 liters. Find X.

3337 0

  • 1
    12
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
  • 5
    8
    Correct
    Wrong
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Answer : 2. "10"

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