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    CAT LR-Series Quiz

    Given below is a set of questions for Logical Reasoning based on Series. Questions have been set based on the pattern of the exam and its difficulty level to help CAT aspirants . Series questions include numerical series, alphabetical series and letter series. These questions requires a candidate to either complete the given series or find the odd one out in the series. Know more about CAT 2019

    Series

    1. One term missing is missing in the given series. Choose the correct option to complete the series: 1, 6,15, 25, 45, 66, 91

    25
    26
    27
    28

    2.A number series is given with one term missing. Choose the correct option to complete the series.: 1, 2, 3, 5, 8,

    9
    11
    13
    15

    3.In following question, one term missing. Choose the correct option: 3, 6, 5, 20, 7, 42, 9,

    54
    60
    66
    72

    4. In the given question,one term is missing choose the most suitable option: 1, 3, 4, 8, 15, 27,

    37
    44
    50
    55

    5.In the given question,choose the correct option to fill in the blank spaces.: 165, 195, 255, 285, 345,

    375
    420
    435
    390

    6.In the given question, number series is given, choose the correct option to fill in the blank spaces.: 0.5, 0.55, 0.65, 0.8,

    0.9
    0.82
    1
    0.95

    7.In the given question, a number series is given with one term missing. Choose the correct option that will same pattern and fill in the blank spaces.: 90, 180, 12, 50, 100, 200, , 3, 50, 4, 25, 2, 6, 30, 3

    150
    175
    225
    250

    8.In the given question, a number series is given,choose the most suitable answer: (2, 3), (3, 5), (5, 7), (7, 11), (11, 13)

    (13, 15)
    (15, 16)
    (13, 17)
    (13, 19)

    9.In the following question, a number series is given. Choose the correct option that will same pattern and fill in the blank spaces.: In the Series 3, 9, 15, … what will be the 21st term ?

    117
    121
    123

    10.In the following question, one term missing. Choose the correct option that will same pattern and fill in the blank spaces.: In the Series 2, 6, 18, 54, …, what will be the 8th term

    4370
    4374
    7443
    7434

    11. In the question below, one term in number series is incorrect, find out the incorrect number 121, 143, 165, 186, 209

    143
    165
    186
    209

    12.Find out the incorrect number 11, 5, 20, 12, 40, 26, 74, 54

    5
    20
    40
    26

    13.In the given alphabet series , question marks depict the missing terms: A, Z, X, B, V, T, C, R, ?, ?

    P, D
    E, O
    Q, E
    O, Q

    14.In following alphabet series , one term missing . Choose the correct option: R, M, ?, F, D, ?

    C, B
    J, H
    B, H
    I, C

    15.In the following alphabet series , missing term is shown by question mark . Choose missing term from options.: BF, CH, ?, HO, LT

    DN
    EL
    EK
    EM

    16.In the following alphabet series , missing term is shown by question mark . Choose the missing term.: CE, GI, KM, OQ, ?

    TW
    TV
    SU
    RT

    17.In the following alphabet series , missing term is depicted by a question mark . Choose the missing term.: CAT, FDW, IGZ, ?

    KJA
    KTC
    LHD
    LJC

    18.Question mark depicts the missing term, find the correct option: BEH, KNQ, TWZ, ?

    IJL
    CFI
    BDF
    ADG

    19.In the given questions, a sequence of groups of alphabets and numbers is provided with one term missing ,choose the correct option.: LXF, MTJ, NPN, OLR, ?

    PHV
    PIU
    PJW
    PKX

    20.Sequence of groups of alphabets with one missing term is mentioned below ,choose the missing term from options.: MHZ, NIW, OKT, PNQ, ?

    RRN
    QRN
    QRM
    QQN

    21.Choose the correct option: _ _ aba _ _ ba _ ab

    abbba
    abbab
    baabb
    bbaba

    22.In the given series ,some alphabets are missing, choose the correct option.: c _ baa _ aca _ cacab _ acacabc_

    acbaa
    bbcaa
    bccab
    cbaac

    23.In alphabet series,choose the correct option.: _ aba _ cabc _ dcba _ bab _ a

    abdca
    bcadc
    abcdd
    cbdaa

    24.In the given question, three sequences are provided which correspond to each other in some way. Choose the suitable option for the expression : C B _ _ D _ B A B C C B _ _ 1 2 4 3 _ _ ? ? ? ? a _ a b _ c _ b _ _ _ _

    3, 4, 4, 3
    3, 2, 2, 3
    3, 1, 1, 3
    1, 4, 4, 1

    25.In the given question, three sequences are provided which correspond to each other in some way. Find out what option fits best in the blank places: A _ B A C _ D _ B C D C _ 3 _ 2 _ 1 _ 4 ? ? ? ? d c _ _ b a c b _ _ _ _

    1, 3, 4, 3,
    1, 4, 3, 4
    2, 3, 4, 3
    3, 4, 1, 4


    Answer Key
    1D
    2C
    3D
    4C
    5C
    6C
    7A
    8C
    9C
    10B
    11C
    12C
    13A
    14D
    15C
    16C
    17D
    18B
    19A
    20B
    21B
    22A
    23A
    24C
    25B

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