Crack IBPS Exam 2017 – Quantitative Aptitude Scoring Part (Day-25)

    Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-1)


     

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    Direction (1-10): What value should come in place of question mark (?) in the following questions?
    1). 48% of 4800 + 24% of 1260 =?

    2606.66
    2556.65
    2566.56
    2286
    None of these

    1). Answer: e)
    ? = 48% of 4800 + 24% of 1260
    ? =2304 + 302.4
    ? = 2606.4

    2. 4572 × 195 − 765432 = ? + 65126

    50432
    55242
    60982
    71532
    None of these
    2). Answer: c)
    4572 × 195 − 765432 = ? + 65126
    891540 – 765432 – 65126 = ?
    ? = 60982

    3. (38/85) x (255/114) ÷ (19/5) + (14/19) = ?

    7/14
    17/15
    1
    8/15
    None of these
    3). Answer: c)
    (38/85) x (255/114) ÷ (19/5) + (14/19) = ?
    ?= 5 / 19 + 14 / 19
    ? =19 / 19= 1


    4. 6241 + 3284 + 1923 + 2187 + 3268 + 3147 =?

    21040
    20050
    21150
    22150
    None of these
    4). Answer: b)
    6241 + 3284 + 1923 + 2187 + 3268 + 3147 =?
    ? = 20050


    5). (5)³ – (3.75)³ – (1.25)³– 3(3.75) (6.25) = ?

    0
    1
    -1
    -2.5
    None of these
    5). Answer: a)
    ? = (5)³ – (3.75)³ – (1.25)³– 3(3.75) (6.25)
    ?= 125 – 52.734375 – 1.953125 – 70.3125
    ? = 0


    6. 4571 × 72 = ? × 18 + 3621 × 36

    8020
    10000
    11042
    11054
    None of these
    6). Answer: c)
    4571 × 72 = ? × 18 + 3621 × 36
    329112 – 130356 =? × 18
    ? = 11042


    7. 7/11 of 6908 − 4/9 of 7704 = ? × 72

    9.33
    13.5
    17
    21.5
    None of these
    7). Answer: b)
    7/11 of 6908 − 4/9 of 7704 = ? × 72
    ? = (4396 – 3424) / 72
    ? =13.5


    8. (1/3) of (5/7) of (5/11) of ? = 325

    3003
    3030
    3300
    3001
    None of these
    8). Answer: a)
    (1/3) of (5/7) of (5/11) of ? = 325
    ? = 325 × 231 / 25
    ? = 3003

    9. 20 % of 650 + 150 % of? = 2005

    1254
    1253
    1251
    1250
    1255
    9). Answer: d)
    20 % of 650 + 150 % of ?= 2005
    150% of ? = 2005 – 130
    ? = 1875 × 100 / 150 = 1250

    10. 11.001 × ? × 25.875 = 678543

    2380.87
    2381.37
    2382.57
    2383.77
    2384.67
    10). Answer: d)
    11.001 × ? × 25.875 = 678543
    ? = 678543 / (11.001 × 25.875)
    ? = 2383.77

    Direction (11-20): What approximate value should come in place of question mark (?) in the following questions?
    11. 25.675% of 1321 + 64.328% of 4001= ?

    2912
    3016
    3126
    3254
    3348
    11). Answer: a)
    ? ≈25.6% of 1320 + 64.3% of 4000
    ? = 337.92 + 2572 = 2909.92 ≈ 2912

    12. 64.66 ÷ 11.31 × 5.25 =?

    30
    35
    39
    42
    45
    12). Answer: a)
    ? ≈64 /11 × 5 = 29.09 ≈ 30

    13. 8.94% of 740 – 9.2% of 324 = ?

    32
    34
    37
    44
    41
    13). Answer: c)
    ? ≈9×7.4- 9×3.2
    ? = 66.6 – 28.8 = 37.8
    ≈37

    14. √224 x 12.05 + ³√342 x 4 = ?

    218
    168
    208
    226
    145
    14). Answer: c)
    ? ≈√225 x 12 + ³√343 x 4
    = 15 × 12 + 7 ×4
    = 180 + 28
    ? = 208

    15. (6791 + 5438 + 4624) ÷ (67 + 53 + 49) = ?

    86
    90
    100
    120
    140
    15). Answer: c)
    ? = (6791 + 5438 + 4624) ÷ (67 + 53 + 49)
    ? = 16853 / 169
    ? = 99.72≈100

    16.(679.99 ÷ 17.01 + 564.01 ÷ 46.99) = ?

    48
    52
    58
    62
    74

    16). Answer: b)
    ? ≈ (680/17) + (564/47)
    ? = 40 + 12
    ? = 52

    17. 1599.23 ÷39.26 × 288.99 – 345.82 + 423.56 = ?

    15667
    11927
    12579
    10674
    13897
    17). Answer: b)
    ? ≈1600/40 × 290 - 346 + 424
    ? = 40 × 290 + 78
    ? = 11600 + 78
    ? = 11678 ≈ 11927

    18. 89.988% of 699.9 + 50.002% of 999.99 – 170.015 = ?

    950
    930
    960
    970
    980
    18). Answer: c)
    ? ≈90 × 700/100 + 50 ×1000/100 – 170
    ?= 630 + 500 -170
    ? = 960


    19. 6999 ÷ 70.005 x 94.998 = ?x 19.999

    475
    380
    640
    720
    575
    19). Answer: a)
    ? × 20≈7000 / 70 × 95
    ? = 5 × 95
    ? = 475


    20. 43931.03 ÷ 2011.02 x 401.04 = ?

    7500
    8300
    8800
    8850
    8890
    20). Answer: c)
    ? ≈43931 / 2011 × 401
    ? = 8759.9 ≈ 8800

    Direction (21 – 25): In the following number series only one number is wrong. Find out the wrong number.
    21. 2, 7, 10, 22, 18, 37, 26,?

    42
    52
    46
    62
    None of these
    21). Answer: b)
    There are two series here
    2, 10, 18, 26, ... (Increase by 8)
    7, 22, 37, ... (Increase by 15)
    Hence, next term is 37+15 = 52


    22. 279936, 46656, 7776, 1296, 216, ?

    60
    46
    36
    66
    None of these
    22). Answer: c)
    The series is ÷6, ÷6,÷6,÷6,÷6,….


    23. 12, 38, 116, 350, 1052, ?

    1800
    2200
    2800
    3158
    None of these
    23). Answer: d)
    The series is
    12 × 3 + 2 = 38
    38 × 3 + 2 = 116
    116 × 3 + 2 = 350
    350 × 3 + 2 = 1052
    1052 × 3 + 2 = 3158

    24. 46080, 3840, 384, 48, 8, 2, ?

    1
    1/64
    1/8
    2
    None of these
    24).Answer: a)
    The series is,
    46080 /12 = 3840
    3840 /10 = 384
    384 /8 = 48
    48 /6 = 8
    8/4 = 2
    2 /2 = 1

    25. 5,28,57,88,125

    156
    147
    166
    186
    None of these
    25). Answer: b)
    The series is,
    5 + 23 = 28
    28 + 29 = 57
    57 + 31 = 88
    88 + 37 = 125
    125 + 41 = 166

    Direction (26-30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and given answer:
    a) if x>y
    b) if x≥y
    c) if xd) if x≤y
    e) if x = y or no relation can be established between x and y.

    I. 9x^2 - 41x+46=0
    II. 12y^2 + 43y+ 38 = 0

    a)
    b)
    c)
    d)
    e)
    26). Answer: b)
    I 9x^2 - 41x + 46 = 0
    or, 9x^2 - 18x - 23x + 46 = 0
    or, 9x(x - 2) - 23(x - 2) = 0
    or, (9x - 23) (x - 2) =0
    x = 23/9, 2
    II. 12y^2 - 43y + 38 =0
    or, 12y^2 - 24y - 19y + 38 = 0
    or, 12y(y - 2) - 19(y - 2) = 0
    or, (12y - 19) (y - 2) = 0
    y = 19/12, 2
    Therefore x ≥ y

    27). I. 6x^2 + 13x - 169 =0
    II. y^2 + 8y - 65 = 0

    a)
    b)
    c)
    d)
    e)
    27). Answer: e)
    I.6x^2 + 13x - 169 = 0
    or, 6x^2 - 26x + 39x - 169 =0
    or, 2x(3x - 13) + 13(3x - 13) = 0
    or, (2x + 13) (3x - 13) = 0
    x = -13/2, 13/3
    II. y^2 + 8y - 65 = 0
    or, y^2 + 13y - 5y - 65 = 0
    or, y(y + 13) - 5(y + 13) = 0
    or, (y - 5) (y + 13) = 0.
    y = 5, -13
    Therefore relation can't be established between x and y

    28). I. 3x + 5y = 4
    II. 6x - 7y= 25

    a)
    b)
    c)
    d)
    e)
    28). Answer: a)
    I. 3x + 5y = 4
    II. 6x – 7y = 25
    Solving equation (I) * 2- (ii), we get
    17y = -17
    y = -1 and x =3, Therefore x> y

    29). I. x^2 - 5x + 4 = 0
    II. y^2 + 11y – 12 = 0

    a)
    b)
    c)
    d)
    e)
    29). Answer: b)
    I. x^2 - 5x + 4 = 0
    or, x^2 – 4x – x + 4 = 0
    or, x(x - 4) – 1(x -4) = 0
    or, (x -1) (x - 4) = 0
    x = 1, 4
    Il.y^2 + 11y - 12= 0
    or, y^2 + 12y – y -12 = 0
    or, y(y + 12) – 1(y + 12) = 0 or, (y - 1) (y + 12) = 0
    y = 1, -12
    Therefore, x ≥ y

    30). I. 8x^2 + 50x + 57 = 0
    II. 6y^2 – y – 57 = 0

    a)
    b)
    c)
    d)
    e)
    30). Answer: e)
    I 8x^2 + 50x + 57 = 0
    or, 8x^2 + 12x + 38x +57=0
    or, 4x(2x + 3) + 19(2x + 3) = 0
    or, (4x + 19) (2x + 3) = 0
    x = -19/4, -3/2
    II.6y^2 – y - 57=0
    or, 6y^2 + 18y - 19y - 57 = 0
    or, 6y(y + 3) - 19(y + 3) = 0
    or, (6y - 19) (y + 3) = 0
    y= 19/6, -3
    Therefore relation can't be established.

     


     
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