Quantitative Aptitude: Simplification Questions Set 106

  1. Study the following and answer the questions:

    (36.14)^2 – (21.28)^2 =?

    850
    860
    865
    853
    None of these
    Option D
    (x+y)(x-y)

     

  2. (x)^2 + (123)^2= (246)^2 – (99)^2 – 2462
    190
    180
    175
    182
    None of these
    Option D
    x^2 + 15129 = 60516 – 9801 – 2462
    x^2 + 15129 = 48253
    x^2=33124
    x= 182

     

  3. 64^12 / 4^15 = 64^x
    6
    5
    4
    7
    2
    Option D
    =64^12-5=7

     

  4. (9.0 / 2 * 27 / 9 ) / (18/7.5 * 5.0 / 4) = ?
    5.5
    4.0
    4.5
    3.0
    None of these
    Option C

     

  5. ( √5 – 2)^2 = x – √80
    9
    7
    6
    10
    12
    Option A
    =5+4-4 √5 +4 √5
    =9

     

  6. 572.0 / 26 * 12 – 200 = (2)^x
    8
    4
    6
    10
    None of these
    Option C
    =22 * 12 – 200 = (2)^x
    =264 – 200
    =6

     

  7. (755.0% of 523.0) / 777.0 = x
    6
    4
    3
    5
    9
    Option D
    =3948.65 / 777.0
    =5.08 = 5

     

  8. 3.325 + 3.012 + 0.660 + 31.151 + 0.251 = ?
    40.019
    35.055
    37.514
    38.399
    None of these
    Option D

     

  9. 25 * 3.250 + 50.40 / 24.0 = ?
    75
    80
    77
    83
    None of these
    Option D
    =25* 3.250 + 2.1
    =81.25 +2.1 = 83.35

     

  10. 5907 – 1296 / 144 = x * 8.0
    700.05
    705.25
    751.54
    737.25
    None of these
    Option D

     


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