Quantitative Aptitude: Simplification Questions Set 78

Directions(1-10): Find the value of the question mark ‘?’ in the following questions.

  1. 16% of 3000 + (196)^1/2 = ? – 6
    789
    700
    500
    660
    720
    Option C
    16% of 3000 + (196)^1/2 = ? – 6
    =>480 + 14 + 6 = ?
    =>? = 500

     

  2. 25% of 600 + 40% of 400 = ? + 110
    100
    400
    300
    200
    500
    Option D
    25% of 600 + 40% of 400 = ? + 110
    => 150 + 160 = ? + 110
    =>? = 200

     

  3. (600% of 75)/45 = ?^2 – (676)^1/2
    5
    4
    6
    3
    8
    Option C
    (600% of 75)/45 = ?^2 – (676)^1/2
    =>?^2 – 26 = 450 / 45
    =>?^2 = 10 + 26
    =>?^2 = 36
    =>? = 6

     

  4. ?% of 1600 = 50% of 460 + 180% of 50
    25
    18
    15
    20
    10
    Option D
    ?% of 1600 = 50% of 460 + 180% of 50
    =>?% of 1600 = 50% of 460 + 180% of 50
    =>?*16 = 230 + 90
    =>? = 20

     

  5. 12% of 500 – 20% of 200 = 25% of ?
    60
    50
    80
    90
    70
    Option C
    12% of 500 – 20% of 200 = 25% of ?
    =>60 – 40 = 25% of ?
    =>20 = 25% of ?
    =>? = 80

     

  6. 33.33% of 180 = 30% of 200 – ?
    1
    0
    2
    5
    3
    Option B
    33.33% of 180 = 30% of 200 – ?
    =>? = 30% * 200 – 60
    =>? = 60 – 60
    =>? = 0

     

  7. 75% of 540 = ?% of 2025
    10
    30
    50
    20
    40
    Option D
    75% of 540 = ?% of 2025
    =>?% of 20.25 = 405
    =>?= 405/20.25
    =>? = 20

     

  8. (25)^2 + 175% of 20 = ?*75 %
    950
    820
    910
    800
    880
    Option E
    (25)^2 + 175% of 20 = ?*75 %
    =>625 + 175% of 20 = ?*3/4
    =>? = 660*4/3
    =>? = 880

     

  9. 11*8 + ? – 9*12 = 15*18
    200
    240
    220
    290
    260
    Option D
    11*8 + ? – 9*12 = 15*18
    =>88 + ? – 108 = 270
    =>? = 290

     

  10. 216/9 + 12^2 – 20% of 480 = ?*3
    20
    24
    17
    15
    19
    Option B
    216/9 + 12^2 – 20% of 480 = ?*3
    =>24 + 144 – 96 = ?*3
    =>72 = ?*3
    =>? = 24

     


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