Number Series


Direction: What should come in place of the question mark (?) in the following number series?

  1. 4, 8, 24, 60, ?, 224
    1. 178
    2. 96
    3. 109
    4. 141
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The series is + 22, + 42, + 62, + 82, + 102

    Correct Option: E

    The series is + 22, + 42, + 62, + 82, + 102


  1. 8000, 1600, 320, 64, 12.8?
    1. 2.56
    2. 3.5
    3. 3.2
    4. 2.98
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The series is ÷ 5.

    Correct Option: A

    The series is ÷ 5.



  1. 6, 9, 15 27, 51, ?
    1. 84
    2. 99
    3. 123
    4. 75
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The series is + 3, + 6, + 12, + 24, 48, ......

    Correct Option: B

    The series is + 3, + 6, + 12, + 24, 48, ......


  1. 7, 8, 18, ?, 232, 1165
    1. 84
    2. 42
    3. 57
    4. 36
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The series is x 1 + 1, x 2 + 2, x 3 + 3, x 4 + 4, x 5 + 5

    Correct Option: C

    The series is x 1 + 1, x 2 + 2, x 3 + 3, x 4 + 4, x 5 + 5



  1. 3, 5, 13, 43, 176, 891, 5353
    1. 5
    2. 13
    3. 43
    4. 17
    5. 891

  1. View Hint View Answer Discuss in Forum

    The series is x 1 +2, x 2 + 3, x 3 + 4, x 4 + 5, x 5 +6, x 6 + 7. Correct answer 177

    Correct Option: D

    The series is x 1 +2, x 2 + 3, x 3 + 4, x 4 + 5, x 5 +6, x 6 + 7. Correct answer 177