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  • Question

  • 640 ml of a mixture contains milk and water in ratio 6:2. How much of the water is to be added to get a new mixture containing half milk and half water?


  • Options
  • A. 360 ml
  • B. 320 ml
  • C. 310 ml
  • D. 330 ml

  • Correct Answer
  • 320 ml 

    Explanation

    Here total parts of milk and water in the solution is 6+2 = 8 parts.

    1part = 640/8 = 80

     

    old mixture contains 6parts of milk and 2 parts of water(6:2).

     

    To get new mixture containing half milk and half water, add 4parts of water to the old mixture then 6:(2+4) to make the ratio same.

    i.e, 4 x 80 = 320 ml.

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

    Alligation or Mixture problems

    Search Results

    • 1. In what ratio should two varieties of tea at Rs. 60 per kg and Rs.120 per kg be mixed together so that by selling the mixture at Rs.96 per kg, a profit of Rs.20% is obtained?

    • Options
    • A. 1:2
    • B. 2:1
    • C. 1:3
    • D. 1:4
      • Discuss
    • 2. Two bottles contains mixture of milk and water. First bottle contains 64% milk and second bottle contains 26% water. In what ratio these two mixtures are mixed so that new mixture contains 68% milk?

    • Options
    • A. 3 : 2
    • B. 2 : 1
    • C. 1 : 2
    • D. 2 : 3
      • Discuss
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. How much pepsi at Rs.6 a litre is added to 15 litre of 'dew' at Rs. 10 a litre so that the price of the mixture be Rs.9 a litre?

    • Options
    • A. 5
    • B. 8
    • C. 10
    • D. None of these
      • Discuss
    • 7. A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?

    • Options
    • A. 5 lit
    • B. 10 lit
    • C. 15 lit
    • D. 20 lit
      • Discuss
    • 8. A milk merchant buys 50 litres of milk at the rate of Rs 40 per litre and mixes 5 litres of water in it. If he sells this mixture at the rate of Rs 42 per litre, then what is the profit percentage for the dealer?

    • Options
    • A. 17.2
    • B. 14.4
    • C. 16.6
    • D. 15.5
      • Discuss
    • 9. In a mixture, the ratio of juice and water is 4 : 3. By adding 6 litre water the ratio of juice and water will be 8 : 7. What is the amount of juice in the original mixture?

    • Options
    • A. 38 lit
    • B. 96 lit
    • C. 48 lit
    • D. 52 lit
      • Discuss
    • 10. 2/3 of a milk-water mixture was milk. There was 21 lit of the mixture. If 4 lit of water is added to it, the % of milk in the new mixture will be:

    • Options
    • A. 56
    • B. 11
    • C. 44
    • D. 14
      • Discuss

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