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Arithmetic Aptitude :: Numbers

  1. On dividing a number by 5, we get 3 as remainder. What will the remainder when the square of the this number is divided by 5 ?

  2. A.

    0

    B.

    1

    C.

    2

    D.

    4

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  3. How many 3-digit numbers are completely divisible 6 ?

  4. A.

    149

    B.

    150

    C.

    151

    D.

    166

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  5. How many natural numbers are there between 23 and 100 which are exactly divisible by 6 ?

  6. A.

    8

    B.

    11

    C.

    12

    D.

    13

    E.

    None of these

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  7. How many of the following numbers are divisible by 3 but not by 9 ?
    2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276

  8. A.

    5

    B.

    6

    C.

    7

    D.

    None of these

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  9.  \( \frac { (963+476)^2+(963-476)^2 } {( 963 \times963+476 \times476)}=?\)

  10. A.

    1449

    B.

    497

    C.

    2

    D.

    4

    E.

    None of these

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  11. How many 3 digit numbers are divisible by 6 in all ?

  12. A.

    149

    B.

    150

    C.

    151

    D.

    166

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  13. A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then, (a + b) = ?

  14. A.

    10

    B.

    11

    C.

    12

    D.

    15

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  15. 8597 - ? = 7429 - 4358

  16. A.

    5426

    B.

    5706

    C.

    5526

    D.

    5476

    E.

    None of these

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  17. The smallest prime number is:

  18. A.

    1

    B.

    2

    C.

    3

    D.

    4

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  19. (12345679 x 72) = ?

  20. A.

    88888888

    B.

    888888888

    C.

    898989898

    D.

    9999999998

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