Quantitative Aptitude: Simplification Questions Set 81

Shubhra
  1. 1/2 + 3 – 4 * 5 + [6 – 7 * 8/4]

    -22.5
    -21.6
    -23.6
    -34.7
    -24.5
    Option E
    = 1/2 + 3 – 4 * 5 + [6 – 7 * 2]

    = 1/2 + 3 – 4 * 5 + [6 – 14]

    = 1/2 + 3 – 4 * 5 – 8

    = 0.5 + 3 – 4 * 5 – 8

    = 0.5 + 3 – 20 – 8

    = 3.5 – 20 – 8

    = -24.5

     

  2. √727.5601* 4.99 -370 + [15.8 * √624.61]

    156
    165
    174
    189
    145
    Option B
    = 27 * 5 – 370 + [16 * 25]

    = 27 * 5 – 370 + 400

    = 135 – 370 + 400

    = 535 – 370

    = 165

     

  3. [(6*7 – 3+2 * 8) + 9/3] * 5 – 1 + 7

    234
    296
    288
    124
    156
    Option B
    = [(6*7 – 3+2 * 8) + 9/3] * 5 – 1 + 7

    = [(42 – 3 + 16) + 3] * 5 – 1 + 7

    = [55 + 3] * 5 – 1 + 7

    = 58 * 5 – 1 + 7

    = 290 – 1 + 7

    = 296

     

  4. [(10.09)^2 * (√289.06)] – [14 – 6 * 7 + (√169.009) + (11.02)^2]

    1594
    1678
    1254
    1890
    1567
    Option A
    = [100 * 17] – [14 – 42 + (13 + 121)]

    = 1700 – [14 – 42 + 134]

    = 1700 – 106

    = 1594

     

  5. [√{3√(8.09) + 6.66} – 3.59 * ( 6.79 + √( 225.1) * 5.556 ) + 13]

    -560
    -345
    -372
    -457
    -569
    Option C
    = [√8.96 – 3.89 * (7 + 15 * 6) + 13]

    = [3 – 4 * 97 + 13]

    = [3 – 388 + 13]

    = -372

     

  6. 21.8% of 167.99 – 19% of 320 + 24% of 460 – 13% of 110

    45.78
    34.89
    72.26
    67.90
    78.90
    Option C
    = [20%+2%] of 168 – [ 20%-1%] of 320+ [ 20% + 2% + 2%] of 460 – [ 11% + 1% +1%] of 110

    = [33.6 + 3.36] – [64 – 3.2] + [92 + 9.2 + 9.2] – [12.1 + 1.1 + 1.1]

    = 36.96 – 60.8 + 110.4 – 14.30

    = 147.36 – 75.1

    = 72.26

     

  7. 127.81x + √1680.99 = 12.0993 + 169.099

    13.5
    15.5
    14.5
    12.5
    15.6
    Option C
    128x + 41 = 123 + 169

    128x = 1728 + 169- 41

    128x = 1856

    x=14.5

     

  8. x^3 – 149.796 * 1.5 = (4.91)^2 * 9.099 + 176.82% of (10)^3

    12
    13
    14
    15
    16
    Option B
    x3– 150 * 1.5 = 25 * 8 + 177.2% of 1000

    x3– 225 = 200 + 1772

    x3 = 1972 + 225= 2197

    x= 13

     

  9. x% of 159.9 = √[(√676.089) + 110% of 111 + 21.09% of 100.0998]

    8.125%
    7.89%
    9.56%
    6.45%
    7.45%
    Option A
    x% of 160 = √[ 26 + 110% of 111 + 20% of 100 ]

    x% of 160 = √[ 26 + 122 + 21]

    x% of 160 = √169

    x=(13/160)*100 = 8.125%

     

  10. 2^x = [(31.901 * 4.952)/3.91] * [10.24 % of √2499]

    14
    10
    12
    15
    17
    Option B
    2x = [32 * 25/4] * [10.24% of 50]

    = 200 * 10.24 * 50/100

    = 1024

    x = 10

     

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