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Series Completion Questions Answers

  • 22. 1, 2, 5, 12, 27, 58, 121, ?

    1. 248
    2. 244
    3. 198
    4. 190
    Answer And Explanation

    Answer: Option A

    Explanation:

    Pattern in the series is *2+1, *2+2, *2+3,.....

    Term which replaces the question mark in the series is
    121 * 2 + 6 = 248

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

    1. 70
    2. 66
    3. 64
    4. 62
    Answer And Explanation

    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

  • 24. 11, 12, 17, 18, 23, 24, (....) . Which term will come next ?

    1. 27
    2. 29
    3. 31
    4. 33
    Answer And Explanation

    Answer: Option B

    Explanation:

    Please check, given sequence is combination of two seies
    [Note: Usually when terms are more than 5, then chances are there that it may contain 2 series.]

    Series 1 = 11, 17, 23
    Series 2 = 12, 18, 24

    So there is pattern +6 in each term
    Next term will be 23+6 = 29

  • 25. 5, 6, 7, 8, 10, 11, 14, (...) ?

    1. 19
    2. 17
    3. 16
    4. 15
    Answer And Explanation

    Answer: Option D

    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

  • 26. 1,1,3,9,6,36,10,100,(..),225

    1. 12
    2. 13
    3. 14
    4. 15
    Answer And Explanation

    Answer: Option D

    Explanation:

    Given sequence is combination of two series
    Series 1 : 1,3,6,10,..
    Series 2 : 1,9,36,100,225

    In series 1 pattern is +2, +3, +4. So next term will be
    10+5 = 15

  • 27. 13, 32, 24, 43, 35, (...), 46, 65, 57, 76

    1. 52
    2. 54
    3. 56
    4. 60
    Answer And Explanation

    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

  • 28. 8, 9, 8, 7, 10, 9, 6, 11, 10, (...), 12

    1. 7
    2. 6
    3. 5
    4. 4
    Answer And Explanation

    Answer: Option C

    Explanation:

    Please note that above sequence is containing 3 series
    Series 1 : 8, 7, 6, (..)
    Series 2 : 9, 10, 11, 12
    Series 3 : 8, 9, 10

    In series 1 pattern is -1. So missing term will be 6-1 = 5