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Arithmetic Aptitude :: Numbers

  1. n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4 ?

  2. A.

    3

    B.

    2

    C.

    1

    D.

    0

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  3.  \( \frac { (489+375)^2-(489-375)^2 } {(489*375) }=?\)

     

  4. A.

    144

    B.

    864

    C.

    2

    D.

    4

    E.

    None of these

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  5. 397 x 397 + 104 x 104 + 2 x 397 x 104 = ?

  6. A.

    250001

    B.

    251001

    C.

    260101

    D.

    261001

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  7. (35423 + 7164 + 41720) - (317 x 89) = ?

  8. A.

    28213

    B.

    84307

    C.

    50694

    D.

    56094

    E.

    None of these

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  9. (xn - an) is completely divisible by (x - a), when

  10. A.

    n is any natural number

    B.

    n is an even natural number

    C.

    n is and odd natural number

    D.

    n is prime

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  11. Which one of the following numbers is completely divisible by 45?

  12. A.

    181560

    B.

    331145

    C.

    202860

    D.

    2033555

    E.

    None of these

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  13. Which of the following numbers will completely divide (325 + 326 + 327 + 328) ?

  14. A.

    11

    B.

    16

    C.

    25

    D.

    30

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  15. A number when divide by 6 leaves a remainder 3. When the square of the number is divided by 6, the remainder is

  16. A.

    0

    B.

    1

    C.

    2

    D.

    3

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  17. The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers ?

  18. A.

    \(\frac {12} {35 } \)

    B.

    \(\frac {1} {35 } \)

    C.

    \(\frac {35} {8 }\)

    D.

    \(\frac {7 } {3 2 } \)

     

     

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  19. What will be remainder when 17200 is divided by 18 ?

  20. A.

    17

    B.

    16

    C.

    1

    D.

    2

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