Quantitative Aptitude: Simplification Questions Set 70

Banya

Directions(1-10): What will come approximately in place of question mark ‘?’ in the following questions.

  1. 244 – 156 + ?^2 – 13^2 = 15* 14 + 25*22
    20
    15
    29
    18
    10
    Option C
    244 – 156 + ?^2 – 13^2 = 15* 14 + 25*22
    =>88 + ?^2 – 169 = 210 + 550
    =>?^2 – 81 = 760
    =>? = 29

     

  2. (2.5)^2 + 58/4 + 9/4 = ?
    17
    30
    28
    21
    23
    Option E
    (2.5)^2 + 58/4 + 9/4 = ?
    =>? = 6.25 + 14.5 + 2.25
    => ? = 23

     

  3. ? = 25% of 1300 – (30*78 / 13)
    120
    145
    132
    150
    149
    Option B
    ? = 25% of 1300 – (30*78 / 13)
    =>? = 325 – 180
    => ? = 145

     

  4. ? = 28.03 * 44.81 / 5.03 + (7.93)^2.001
    322
    333
    313
    316
    320
    Option D
    ? = 28.03 * 44.81 / 5.03 + (7.93)^2.001
    =>? = (28*45)/ 5 + 8^2
    =>? = 252 +64
    => ? = 316

     

  5. ? = (40.16% of 24.95% of 1479.58) + 254.33
    411
    402
    421
    415
    418
    Option B
    ? = (40.16% of 24.95% of 1479.58) + 254.33
    =>? = (40% of 25% of 1480) + 254
    => ? = 0.1*1480 +254
    =>? = 402

     

  6. ? = (23.12 + 36.88)% of 33.33% of 2439.78
    444
    500
    450
    510
    488
    Option E
    ? = (23.12 + 36.88)% of 33.33% of 2439.78
    =>? = (23 +37)% of 1/3 * 2434
    => ? = 3/5*1/3*2440
    =>? = 488

     

  7. (2704)^1/2 * 3 +246 – 332 – 189 /9 = ?
    49
    55
    47
    40
    52
    Option A
    (2704)^1/2 * 3 +246 – 332 – 189 /9 = ?
    => 52*3 + 246 – 332 – 21 =?
    => ? = 156 + 246 – 332 – 21
    => ? = 49

     

  8. 38^2 + 60% of 1350 – 16*28 = ?
    1900
    1811
    1795
    1806
    1881
    Option D
    38^2 + 60% of 1350 – 16*28 = ?
    =>1444 + 810 – 448 = ?
    => ? = 1806

     

  9. (656 / 16 – 552/ 24 + 14 * 17)^1/2 = ?
    14
    10
    23
    25
    16
    Option E
    (656 / 16 – 552/ 24 + 14 * 17)^1/2 = ?
    =>(41- 23 + 238)^1/2 = ?
    =>(256)^1/2 = ?
    =>? = 16

     

  10. 84^2 – 79^2 + (1936)^1/2 – 20% of 980 = ?
    630
    663
    672
    652
    600
    Option B
    84^2 – 79^2 + (1936)^1/2 – 20% of 980 = ?
    => (84+79)(84-79) + (1936)^1/2 – 20% of 980 = ?
    =>(84+79)(84-79) + 44 – 196 = ?
    =>815 + 44 -196 = ?
    => ? = 663

     


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