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SSC Reasoning Free Practice Set: Series Completion (Set-2)

Nov 24, 2017 16:20 IST
    SSC reasoning pratice set
    SSC reasoning pratice set

    Series completion problems are comprised of a series of numbers or strings that follows certain rules and logics. You have to find out the logic behind them and use it to find out the required number. There will be 1-2 questions in every SSC exams.

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    In this article, we have prepared a set of 20 questions based on series completion with their respective answers. Go through them and check your answers for boosting the preparation in the upcoming SSC exams.

    SSC Reasoning Free questions: Series Completion

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    Direction: In each of the following questions a letter-series is given, in which some letters are missing. The missing letters are given in the proper sequence as one of the alternatives. Choose the correct alternatives.

    1) ba_ba_bac_acb_cbac

    a.    aacb

    b.    bbca

    c.    ccba

    d.    cbac

      2) m _ nm _ n _ an _ a _ ma _

    a.    aamnan

    b.    ammanm

    c.    aammnn

    d.    amammn

    3) adb_ac_da_cddcb_dbc_cbda

    a.    bccba

    b.    cbbaa

    c.    ccbba

    d.    bbcad

    4) bca_b_aabc _a_caa

    a.    acab

    b.    bcbb

    c.    cbab

    d.    ccab

    5) a _ ba _ b _ b _ a _ b

    a.    abaab

    b.    abbab

    c.    aabba

    d.    bbabb

    6) _ nmmn _ mmnn _ mnnm _

    a.    nmmn

    b.    mnnm

    c.    nnmm

    d.    nmnm

    7) - bc - - b - aabc

    a.    acac

    b.    babc

    c.    abab

    d.    aacc

    8) cccbb _ aa _ cc _ bbbaa _ c

    a.    aebe

    b.    baca

    c.    baba

    d.    acba

    9) ab __ d __ aaba __ na _ badna _ b

    a.    andaa

    b.    babda

    c.    badna

    d.    dbanb

    10) BAZ, DCY, FEX, ?

    a.    FXW

    b.    EFX

    c.    FEY

    d.    GHW

    Directions (11-15): What will come in place of question mark (?) in the following number series?

    11) 1, 7, 49, 343, (?)

    a. 16807

    b. 1227

    c. 2058

    d. 2401

    12) 13, 20, 39, 78, 145, (?)

    a. 234

    b. 244

    c. 236

    d. 248

    13) 12, 35 , 81 , 173 , 357 , (?)

    a. 725

    b. 715

    c. 726

    d. 736

    14) 3, 100, 297, 594, 991, (?)

    a. 1489

    b. 1479

    c. 1478

    d. None of these

    15) 112, 119, 140, 175, 224, (?)

    a. 277

    b. 276

    c. 287

    d. 266

    Directions (16 -20): In the following number series only one number is wrong. Find out the wrong

    number.

    16) 18.3, 20.6 , 16, 22.9 , 13.7, 2.2, 11.4

    a. 25.2

    b. 18.3

    c. 13.7

    d. 22.9

    17) 9 , 5 , 6 , 10.5 , 23 , 61, 183

    a. 183

    b. 10.5

    c. 61

    d. 5

    18) 188, 154, 140, 132 ,128, 126 , 125

    a. 125

    b. 154

    c. 132

    d. 188

    19) 2, 4 , 11 , 37 , 151 , 771 , 4633

    a. 11

    b. 4633

    c. 771

    d. 151

    20) 391 , 394 , 399 , 411 , 431 , 461, 503

    a. 503

    b. 394

    c. 399

    d. 431

    Answer Key

    1

    c

    11

    d

    2

    c

    12

    d

    3

    b

    13

    a

    4

    a

    14

    e

    5

    d

    15

    c

    6

    c

    16

    a

    7

    a

    17

    c

    8

    b

    18

    e

    9

    a

    19

    d

    10

    d

    20

    b

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