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Home Aptitude Alligation or Mixture See What Others Are Saying!
  • 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. 310 ml
  • B. 320 ml
  • C. 330 ml
  • D. 340 ml

  • Correct Answer
  • 320 ml 

    Explanation

    Let us assume the ratio product is Q.
    According to question,
    Quantity of Milk in mixture = 6Q ml
    Quantity of Water in mixture = 2Q ml
    Quantity of Milk in mixture + Quantity of Water in mixture = 640
    6Q + 2Q = 640
    8Q = 640
    Q = 640/8
    Q = 80
    Quantity of Milk in mixture = 6Q ml = 6 x 80 = 480 ml
    Quantity of Water in mixture = 2Q ml = 2 x 80 = 160 ml
    To find the new mixture containing half milk and half water,
    Quantity of water to be added for making the mixture of equal quantity of milk and water = 480 - 160 = 320


  • More questions

    • 1. 
      The age of a father 10 years ago was thrice the age his son. Ten years later, the father's age will be twice that of his son. The ratio of their present ages is?

    • Options
    • A. 8 : 5
    • B. 7 : 3
    • C. 5 : 2
    • D. 9 : 5
    • Discuss
    • 2. 
      The ratio of Laxmi's age of the age of her mother is 3 : 11. the difference of their ages is 24 years. The ratio of their ages after 3 yeras will be?

    • Options
    • A. 1 : 3
    • B. 2 : 3
    • C. 3 :5
    • D. None of these
    • Discuss
    • 3. 
      The total ages of A, B and C at present is 90 years. Ten years ago the ratio of their ages was 1 : 2 : 3. Then the present age of B is ....?

    • Options
    • A. 30 years
    • B. 20 years
    • C. 40 years
    • D. None of these
    • Discuss
    • 4. 
      A father's age is four times as much as the sum of the ages of his three children but 6 years hence his age will be only double the sum of their ages. Then the age of the father is?

    • Options
    • A. 30 years
    • B. 40 years
    • C. 60 years
    • D. 45 years
    • Discuss
    • 5. 
      Present age of Rahul is 8 years less then Ritu's present age. If three years ago Ritu's age was x, which of the following represents Rahul's present age?

    • Options
    • A. x + 3
    • B. x - 5
    • C. x - 3 + 8
    • D. x + 3 + 8
    • Discuss
    • 6. 
      The ratio in the ages of A and B, 1 year ago was 3 : 4. While it will be 5 : 6 after 1 year. What is the present age of B?

    • Options
    • A. 8 years
    • B. 4 years
    • C. 6 years
    • D. None of these
    • Discuss
    • 7. 
      If A son is younger then his father by 25 years and the father was 45 years old,4 years ago. What will be the total age of the father and son after 5 years?

    • Options
    • A. 82 years
    • B. 88 years
    • C. 83 years
    • D. 78 years
    • Discuss
    • 8. 
      The ratio of the ages of Ram and Rahim 10 yr ago was 1 : 3 . The ratio of their ages five years hence will be 2 : 3. Then, the ratio of their present ages is?

    • Options
    • A. 1 : 2
    • B. 3 : 5
    • C. 3 : 4
    • D. 2 : 5
    • Discuss
    • 9. 
      The present age of Ravi's father is four times Ravi's present age.Five years back, Ravi's father was seven times as old as Ravi was at that time. What is the present age of Ravi's father?

    • Options
    • A. 84 yr
    • B. 70 yr
    • C. 40 yr
    • D. 35 yr
    • Discuss
    • 10. 
      If the two digits of the age of Mr. Manoj are reversed then the new age so obtained is the age of his wife. 1/11 of the sum of their ages is equal to the difference between their ages. If Mr. Manoj is elder than his wife then find the difference their ages?

    • Options
    • A. Cannot be determined
    • B. 10 years
    • C. 8 years
    • D. 9 years
    • Discuss


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