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Arithmetic Aptitude :: Decimal Fraction

  1. Evaluate :\(\frac { (2.39)^2-(1.61)^2 } { 2.39- 1.61} \)

  2. A.

    2

    B.

    4

    C.

    6

    D.

    8


  3. What decimal of an hour is a second ?

  4. A.

    .0025

    B.

    .0256

    C.

    .00027

    D.

    .000126


  5. The value of\( \frac {(0.96)^3-(0.1)^3 } { (0.96)^2+0.096+(0.1)^2}\)is:

  6. A.

    0.86

    B.

    0.95

    C.

    0.97

    D.

    1.06


  7. The value of\( \frac { 0.1*0.1*0.1+0.02*0.02*0.02 } { 0.2*0.2*0.2+0.04*0.04*0.04 } \)is:

  8. A.

    0.0125

    B.

    0.125

    C.
    0.25
    D.

    0.5


  9. If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?

  10. A.

    0.172

    B.

    1.72

    C.

    17.2

    D.

    172


  11. \( \frac { .009} { ? } =.01\)

  12. A.

    .0009

    B.

    .09

    C.

    .9

    D.

    9


  13. The [removed]11.98 x 11.98 + 11.98 x x + 0.02 x 0.02) will be a perfect square for x equal to:

  14. A.

    0.02

    B.

    0.2

    C.

    0.04

    D.

    0.4


  15. \(\frac { (0.1667)(0.8333)(0.3333) } {(0.2222)(0.6667)(0.1250) } \)is approximately equal to

  16. A.

    2

    B.

    2.40

    C.

    2.43

    D.

    2.50


  17. When 0.232323..... is converted into a fraction, then the result is:

  18. A.

    \( \frac { 1 } {5 } \)

    B.

    \(\frac {2 } { 9} \)

    C.

    \( \frac { 23 } {99 } \)

    D.

    \( \frac { 23 } {100 } \)


  19. 3889 + 12.952 - ? = 3854.002

  20. A.

    47.095

    B.

    47.752

    C.

    47.932

    D.

    47.95