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Alligation or Mixture problems


  • 1. Equal quantities of three mixtures of milk and water are mixed in the ratio 1:2, 2:3 and 3:4. The ratio of water and milk in the mixture is ?

  • Options
  • A. 193 : 122
  • B. 97 : 102
  • C. 115 : 201
  • D. 147 : 185
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  • 2. The milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively. In what ratio the liquids in both the vessels be mixed to obtain a new mixture in vessel c consisting half milk and half water?

  • Options
  • A. 8:3
  • B. 6:7
  • C. 7:5
  • D. 11:7
  • Also asked in: CAT, Bank Exams, AIEEE, Bank PO

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  • 3. An alloy of copper and bronze weight 50g. It contains 80% Copper. How much copper should be added to the alloy so that percentage of copper is increased to 90%?

  • Options
  • A. 45 gm
  • B. 50 gm
  • C. 55 gm
  • D. 60 gm
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO

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  • 4. In what ratio must wheat at Rs. 3.20/kg be mixed with wheat at Rs. 2.90/kg so that the mixture be worth Rs. 3/kg?

  • Options
  • A. 1:2
  • B. 3:2
  • C. 2:1
  • D. 2:3
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO

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  • 5. A milkman has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk. If the cost of pure milk is Rs. 18 per litre, then the profit of the milkman, when he sells all the mixture at cost price, the profit % ?

  • Options
  • A. 22.5%
  • B. 25%
  • C. 20%
  • D. 33.33%
  • Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO

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  • 6. There are two mixtures of honey and water in which the ratio of honey and water are as 1:3 and 3:1 respectively. Two litres are drawn from first mixture and 3 litres from second mixture, are mixed to form another mixture. What is the ratio of honey and water in it ?

  • Options
  • A. 111:108
  • B. 11:9
  • C. 103:72
  • D. None
  • Also asked in: GATE, CAT, Bank Exams, AIEEE, Bank PO, Bank Clerk

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  • 7. From a tank of petrol , which contains 200 liters of petrol, the seller replaces each time with kerosene when he sells 40 liters of petrol(or mixture). Everytime he sells out only 40 liters of petrol (pure or impure). After replacing the petrol with kerosene 4th time, the total amount of kerosene in the mixture is

  • Options
  • A. 81.92L
  • B. 96L
  • C. 118.08L
  • D. None of these
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  • 8. In what ratio must a merchant mix two varieties of oils worth Rs. 60/kg and Rs. 65/kg, so that by selling the mixture at Rs. 68.20/kg, he may gain 10% ?

  • Options
  • A. 2:3
  • B. 4:3
  • C. 3:4
  • D. 3:2
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO

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  • 9. From the 50 liters of milk, 5 liters of milk is taken out and after it 5 liters of water is added to the rest amount of milk. Again 5 liters of milk and water is drawn out and it was replaced by 5 liters of water. If this process is continued similarly for the third time, the amount of milk left after the third replacement:

  • Options
  • A. 45L
  • B. 36.45L
  • C. 40.5L
  • D. 42.5L
  • Discuss
  • 10. In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%?

  • Options
  • A. 60 lit
  • B. 55 lit
  • C. 45 lit
  • D. 50 lit
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO

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