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Arithmetic Aptitude :: Ratio and Proportion

  1. The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?

  2. A.

    3 : 3 : 10

    B.

    10 : 11 : 20

    C.

    23 : 33 : 60

    D.

    Cannot be determined

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  3.  

    If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

  4. A.

    2 : 5

    B.

    3 : 7

    C.

    5 : 3

    D.

    7 : 3

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  5. The fourth proportional to 5, 8, 15 is:

  6. A.

    18

    B.

    24

    C.

    19

    D.

    20

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  7. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

  8. A.

    27

    B.

    33

    C.

    49

    D.

    55

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  9. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

  10. A.

    50

    B.

    100

    C.

    150

    D.

    200

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