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  • Question
  • 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

  • Correct Answer
  • 60 lit 

    Explanation

    In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out




  • Tags: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO

    Alligation or Mixture problems


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    • 1. A container contains 120 lit of Diesel. From this container, 12 lit of Diesel was taken out and replaced by kerosene. This process was further repeated for two times. How much diesel is now there in the container?

    • Options
    • A. 88.01 lit
    • B. 87.48 lit
    • C. 87.51 lit
    • D. 87.62 lit
    • Discuss
    • 2. 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
    • 3. 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
    • Discuss
    • 4. 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
    • Discuss
    • 5. 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
    • Discuss
    • 6. An alloy contains gold and silver in the ratio 5 : 8 and another alloy contains gold and silver in the ratio 5 : 3. If equal amount of both the alloys are melted together, then the ratio of gold and silver in the resulting alloy is?

    • Options
    • A. 113/108
    • B. 105/103
    • C. 108/115
    • D. 103/113
    • Discuss
    • 7. In a 100 litre of mixture the ratio of milk and water is 6:4. How much milk must be added to the mixture in order to make the ratio 3 : 1?

    • Options
    • A. 85
    • B. 60
    • C. 55
    • D. 45
    • Discuss
    • 8. If a man buys 1 lt of milk for Rs.12 and mixes it with 20% water and sells it for Rs.15, then what is the percentage of gain?

    • Options
    • A. 25%
    • B. 30%
    • C. 17%
    • D. 19%
    • Discuss
    • 9. Manideep purchases 30kg of barley at the rate of 11.50/kg and 20kg at the rate of 14.25/kg. He mixed the two and sold the mixture in the shop. At what price per kg should he sell the mixture to make 30% profit to him?

    • Options
    • A. 15.84
    • B. 14.92
    • C. 13.98
    • D. 16.38
    • Discuss
    • 10. Shiva purchased 280 kg of Rice at the rate of 15.60/kg and mixed it with 120 kg of rice purchased at the rate of 14.40/kg. He wants to earn a profit of Rs. 10.45 per kg by selling it. What should be the selling price of the mix per kg?

    • Options
    • A. Rs. 22.18
    • B. Rs. 25.69
    • C. Rs. 26.94
    • D. Rs. 27.54
    • Discuss


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