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Arithmetic Aptitude :: Percentage

  1. A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?

  2. A.

    45%

    B.

    45%

    C.

    54\( {6 \over 11}\)%

    D.

    55%


  3. Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are:

  4. A.

    39, 30

    B.

    41, 32

    C.

    42, 33

    D.

    43, 34


  5. A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:

  6. A.

    588 apples

    B.

    600 apples

    C.

    672 apples

    D.

    700 apples


  7. What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?

  8. A.

    1

    B.

    14

    C.

    20

    D.

    21


  9. If A = x% of y and B = y% of x, then which of the following is true?

  10. A.

    A is smaller than B.

    B.

    A is greater than B

    C.

    Relationship between A and B cannot be determined.

    D.

    If x is smaller than y, then A is greater than B.

    E.

    None of these


  11. If 20% of a = b, then b% of 20 is the same as:

  12. A.

    4% of a

    B.

    5% of a

    C.

    20% of a

    D.

    None of these


  13. In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is  of the number of students of 8 years of age which is 48. What is the total number of students in the school?

  14. A.

    72

    B.

    80

    C.

    120

    D.

    150

    E.

    100


  15. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.

  16. A.

    2 : 3

    B.

    1 : 1

    C.

    3 : 4

    D.

    4 : 3


  17.  A student multiplied a number by \( \frac { 3} { 5 } \) instead of \( \frac { 5} { 3 } \)What is the percentage error in the calculation ?

  18. A.

    34%

    B.
    44%
    C.

    54%

    D.

    64%


  19. In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was:

  20. A.
    2700
    B.
    2900
    C.

    3000

    D.

    3100