Quants Questions : Mixtures And Alligations Set 1

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    1. Sum of Rs.118 was shared among 50 boys and girls,each girl receive Rs.2.60 and boy receive Rs.1.80.Find the number of girls.
      A) 15
      B)25
      C)30
      D)35
      Answer
      D)35

    2. A Mixture contain 88% of sulphur,another mixture contain 70% of sulphur.In order to get 84% of sulphur,in what ratio these two must be mixed.
      A) 2:7
      B)7:2
      C)7:4
      D)4:5
      Answer
      B)7:2

    3. In what ratio water be mixed with juice costing Rs.12 per liter to obtain a mixture worth of Rs.8 per litre?
      A)2:3
      B)2:1
      C)1:2
      D)3:2
      Answer
      C)1:2

    4. In what proportion must sugar at Price 4.10 per kg must be mixed with weat at Price 4.60 per kg, so that the mixture be worth Rs 4.30 a Kg ?
      A)3:2
      B)2:3
      C)5:3
      D)None of these
      Answer
      A)3:2

    5. In what proportion must water be mixed with milk to gain 40 % by selling it at cost price ?
      A) 3:5
      B)5:3
      C)2:5
      D)3:2
      Answer
      C)2:5
      Solution:
      40 : 100
      2 : 5


    6. 400 gm spirit solution has 30 % spirit in it , what is the ratio of spirit should be added to make it 80 % in the solution ?
      A)2:5
      B)4:3
      C)5:2
      D)2:7
      Answer
      A)2:5

    7. One alloy contains silver and copper in the ratio 5:1 and the other contains in the ratio 7:2 respectively. What weights of the 2 must be melted together, so as to make a 5 lb mass with 80% silver?
      A)5:3
      B)3:2
      C)2:3
      D)2:5
      Answer
      B)3:2

    8. Box A contains wheat worth Rs.30 per kg and box B contains wheat worth Rs.40 per kg.If both A and B are mixed in the the ratio 4:7 then the price of mixture per kg is
      A)36.36
      B)35.80
      C)42.50
      D)31.30
      Answer
      A)36.36

    9. In what ratio must a person mix three kinds of Oats costing him Rs 1.20,Rs 1.44 and Rs 1.74 per Kg so that the mixture may be worth Rs 1.41 per Kg?
      A)11:77:7
      B) 11:45:7
      C)25:45:8
      D) 27:23:6
      Answer
      A)11:77:7

    10. Some amount out of Rs. 10000 was lent at 6 % p.a. and the remaining at 4% p.a. If the total simple interest from both the fractions in 5 years was Rs. 1500, then the ratio of the 2 different amount is
      A)1:3
      B)3:1
      C)1:4
      D)3:2
      Answer
      A)1:3

THANKS SHEERIN FATHIMA :)





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