Fractions


  1. 15.60 x 0.30=?
    1. 4.68
    2. 0.458
    3. 0.468
    4. 0.0468

  1. View Hint View Answer Discuss in Forum

    1560 x 30 = 46800

    Correct Option: A

    ∵ 1560 x 30 = 46800
    ∴ 15.60 x 0.30 = 4.6800
    = 4.68 ( Four places of decimal )


  1. 3 x 0.3 x 0.03 x 0.003 x 30=?
    1. .0000243
    2. .000243
    3. .00243
    4. .0243

  1. View Hint View Answer Discuss in Forum

    3 x 3 x 3 x 3 x 30 = 2430

    Correct Option: C

    3 x 3 x 3 x 3 x 30 = 2430
    ∴ 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 (Six places of decimal )



  1. 16.7 + 12.38 - ? =10.09
    1. 17.89
    2. 18.99
    3. 16.98
    4. 20.09

  1. View Hint View Answer Discuss in Forum

    Let 16.7 + 12.38 - x =10.09
    ∴ x = 16.7 + 12.38 - 10.09

    Correct Option: B

    Let 16.7 + 12.38 - x =10.09
    ∴ x = 16.7 + 12.38 - 10.09
    = 18.99


  1. 0.6 + 0.66 + 0.066 + 6.606 = ?
    1. 6.744
    2. 6.738
    3. 7.932
    4. 7.388

  1. View Hint View Answer Discuss in Forum

    0.6 + 0.66 + 0.066 + 6.606 = 0.600 + 0.660 + 0.066 + 6.660

    Correct Option: C

    0.6 + 0.66 + 0.066 + 6.606 = 0.600 + 0.660 + 0.066 + 6.660
    = 7.932



  1. What decimal of an hour is a second ?
    1. .0025
    2. .0256
    3. .00027
    4. .000126

  1. View Hint View Answer Discuss in Forum

    Required decimal = 1/ ( 60 x 60)

    Correct Option: C

    Required decimal = 1/ ( 60 x 60)
    = .00027