Quant Test for SBI Clerk Prelims 2021 Exam set – 5

Directions: what will be the wrong number in the given wrong number series ?

  1. 28, 43, 23, 48, 18, 58
    48
    58
    28
    23
    18
    Option B
    The series is + 15, – 20, + 25, – 30, + 35

     

  2. 10, 11, 24, 78, 304, 1525
    10
    24
    78
    304
    1525
    Option C
    The series is (* 1 + 1), (* 2 + 2), (* 3 + 3), (* 4 + 4), (* 5 + 5)

     

  3. 2452, 2434, 2398, 2344, 2272, 2184
    2272
    2434
    2344
    2184
    2452
    Option D
    The series is – 18, – 36, – 54, – 72, – 90

     

  4. 15, 30, 90, 180, 360, 1080
    1080
    90
    360
    30
    180
    Option C
    The series is * 2, * 3, * 2, * 3, * 2

     

  5. 34, 38, 65, 81, 206, 240
    240
    65
    34
    81
    206
    Option A
    The series is + 2^2, + 3^3, + 4^2, + 5^3, + 6^3

     

  6. Directions: What is the value of ‘x’ in the given questions ?

    x + 1048 – 260 = 1480

    580
    692
    848
    445
    248
    Option B
    x = 1480 – 1048 + 260
    x = 692

     

  7. 28% 1500 + 25% of 1400 + x = 820
    120
    80
    40
    50
    150
    Option D
    420 + 350 + x = 820
    x = 820 – 770
    x = 50

     

  8. 1420 + 2240 – 3500 + x = 800
    545
    740
    625
    425
    640
    Option E
    3660 – 3500 + x = 800
    x = 800 – 160
    x = 640

     

  9. 448/8 + 40 – x = 20
    40
    75
    60
    76
    85
    Option D
    56 + 40 – x = 20
    x = 76

     

  10. 2^4 * 4^2 ÷ 8^2 = x^2
    4
    2
    8
    3
    5
    Option B
    2^4 * 2^4 ÷ 2^6 = x^2
    x^2 = 2^4 + 4 – 6
    x^2 = 2^2
    x = 2

     

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