Series Completion Problems and Answers

  • 1. 13, 32, 24, 43, 35, (...), 46, 65, 57, 76

    1. 52
    2. 54
    3. 56
    4. 60
    Answer :

    Option B

    Explanation:

    There are two series in this sequence
    Series 1: 13, 24, 35, 46, 57
    Series 2: 32, 43, (..), 65, 76

    The pattern it is following is +11
    Missing number will be 43 + 11 = 54

  • 2. 1,2,6,24, ?

    1. 110
    2. 118
    3. 120
    4. 122
    Answer :

    Option C

    Explanation:

    Pattern is *2, *3, *4
    So next number is the series will be *5
    24*5 = 120

  • 3. Complete the series 95, 115.5, 138, ..., 189

    1. 160.5
    2. 162.5
    3. 164.5
    4. 166.5
    Answer :

    Option B

    Explanation:

    Pattern in the series is, +20.5 , +22.5,
    Next will be +24.5
    138 + 24.5 = 162.5

  • 4. 1,9,17,33,49,73, ?

    1. 93
    2. 95
    3. 97
    4. 99
    Answer :

    Option C

    Explanation:

    Pattern for the given series is, +8, +8, +16, +16, +24

    So next will be +24, 73+24 = 97

  • 5. 8, 10, 14, 18, (...), 34, 50, 66

    1. 20
    2. 24
    3. 26
    4. 28
    Answer :

    Option C

    Explanation:

    Patten is +2, +4, +4, .., .., +16, +16

    Missing number will be 18+8 = 26

  • 6. Complete the series, 3, 8, 13, 24, 41, ?

    1. 70
    2. 66
    3. 64
    4. 62
    Answer :

    Option A

    Explanation:

    Pattern of the above series is
    first + second + 2, second + third + 3, third + fourth + 4......
    So next term will be
    24 + 41 + 5 = 70

  • 7. 5, 6, 7, 8, 10, 11, 14, (...) ?

    1. 1998
    2. 1996
    3. 2000
    4. 1999
    5. 19
    6. 17
    7. 16
    8. 15
    Answer :

    Option

    Explanation:

    Please check that given sequence consists of two series

    Series 1: 5, 7, 10, 14
    Series 2: 6, 8, 11, ...

    In series 2 pattern is +2, +3, Next will be +4
    So required number in the series will be 11+4 = 15

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