Number Series


  1. 1, 5, 13, 25, 41, ?
    1. 51
    2. 57
    3. 61
    4. 63
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The given series is in pattern + 4, + 8, + 12, + 16, ...............
    So, the missing term = 41 + 20 = 61

    Correct Option: C

    The given series is in pattern + 4, + 8, + 12, + 16, ...............
    So, the missing term = 41 + 20 = 61


  1. 1, 1, 2, 6, 24, ?, 720
    1. 100
    2. 104
    3. 108
    4. 120
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The given series is the pattern x1, x2, x3, x4, .............
    so, the missing term = 24 x 5 = 120

    Correct Option: D

    The given series is the pattern x1, x2, x3, x4, .............
    so, the missing term = 24 x 5 = 120



  1. 6, 13, 28, 59, ?
    1. 111
    2. 113
    3. 114
    4. 122
    5. None of these

  1. View Hint View Answer Discuss in Forum

    the given series is in the pattern x 2 + 1, x 2 + 2, x 2 + 3,............
    So, the missing term = 59 x 2 +4 = 122

    Correct Option: D

    the given series is in the pattern x 2 + 1, x 2 + 2, x 2 + 3,............
    So, the missing term = 59 x 2 +4 = 122


  1. 3, 15, ?, 63, 99, 143
    1. 27
    2. 35
    3. 45
    4. 56
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The given series is in the pattern (22 - 1), (42 - 1),............ (82 - 1), (102 - 1), (122 - 1). So, the missing term is (62 - 1) = 35

    Correct Option: B

    The given series is in the pattern (22 - 1), (42 - 1),............ (82 - 1), (102 - 1), (122 - 1). So, the missing term is (62 - 1) = 35



  1. 5760, 960, ?, 48, 16, 8
    1. 120
    2. 160
    3. 192
    4. 240
    5. None of these

  1. View Hint View Answer Discuss in Forum

    The given series is in pattern ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2. So the missing term is 960 ÷ 5 = 192

    Correct Option: C

    The given series is in pattern ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2. So the missing term is 960 ÷ 5 = 192