Quantitative Aptitude: Simplification Questions Set 65

Banya

Directions(1-5): What will come in place of question mark “?” in the following expressions.

  1. {{(3528/21)/7}/4}+6^2+(144)^1/2
    48
    50
    62
    54
    44
    Option D
    {{(3528/21)/7}/4}+6^2+(144)^1/2
    => ? = { {168/7}/4}+36 + 12 =>? = {24/4} + 48 => ? = 54

     

  2. 16% of 400 – 15% of 300 =20% of ?
    85
    80
    75
    95
    90
    Option D
    16% of 400 – 15% of 300 =20% of ?
    => 0.20*? = 0.16*400 – 0.15*300
    => 0.20*? = 64 – 45
    => ? = 95

     

  3. 126/7 + 9^2 – 20% of 320 = ? * 5
    7
    9
    5
    8
    6
    Option A
    126/7 + 9^2 – 20% of 320 = ? * 5
    => ?*5 = 18 + 81 – 0.20 * 320
    => ? * 5 = 99 – 64
    => ? = 7

     

  4. 12*15 + ? – 11 * 13 = 20* 16
    255
    274
    283
    295
    281
    Option C
    12*15 + ? – 11 * 13 = 20* 16
    => 180 + ? = 143 + 320
    => 37 + ? = 320
    => ? = 283

     

  5. 88+79+?^2 – 93 = 11*12+23
    10
    9
    11
    8
    5
    Option B
    88+79+?^2 – 93 = 11*12+23
    => 167+ ?^2 – 93 = 132 + 23
    => 74 + ?^2 = 155
    => ? = 9

     

  6. 648 / 9 + 18^2 – 20% of 630 = ? *6
    30
    35
    40
    49
    45
    Option E
    648 / 9 + 18^2 – 20% of 630 = ? *6
    => ? * 6 = 72 + 324 – 0.20 *630
    =>? * 6 = 396 – 126
    => ? = 45

     

  7. 15*18 + ? – 9 * 11 = 12*13
    -16
    -17
    -18
    -12
    -15
    Option E
    15*18 + ? – 9 * 11 = 12*13
    => 270 + ? – 99 = 156
    => ? + 171 = 156
    => ? = -15

     

  8. 16% of 1750 – 20% of 1150 = 25% of ?
    184
    200
    190
    185
    199
    Option B
    16% of 1750 – 20% of 1150 = 25% of ?
    => 0.25 * ? = 0.16*1750 – 0.20*1150
    => 0.25 * ? = 280 – 230
    => ? = 200

     

  9. {[(3072 /16) /8} /4 ] + 14^2 = ?
    192
    190
    202
    174
    185
    Option C
    {[(3072 /16) /8} /4 ] + 14^2 = ?
    => ? = [{192/8}/4] + 196
    =>? = [24/4] + 196
    =>? = 202

     

  10. 244 – 156 + ?^2 – 13^2 = 15*14 + 25*22
    18
    22
    30
    15
    29
    Option E
    244 – 156 + ?^2 – 13^2 = 15*14 + 25*22
    => 88 + ?^2 – 169 = 210 + 550
    => ?^2 – 81 = 760
    => ? = 29

     


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