Quantitative Aptitude: Simplification Questions Set 63

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

  1. 40% of 270 + 35% of 780 = 25% of ? +30% of 900
    400
    420
    444
    455
    480
    Option C
    40% of 270 + 35% of 780 = 25% of ? +30% of 900
    => 108 + 273 = ¼ * ? + 270
    => 381 – 270 = ¼ * ?
    => ? = 111 * 4
    => ? = 444

     

  2. 35% of 410 + ?/14.5 = (12)2 + (14*35) / 49
    152.25
    162.15
    150.15
    148.25
    136.12
    Option A
    35% of 410 + ?/14.5 = (12)2 + (14*35) / 49
    => 143.5 + ?/14.5 = 144 + 10
    => ?/14.5 = 154 – 143.5
    => ? = 152.25

     

  3. 2/5 of 15/14 of 21/36 of 9/16 of 64% of 4850 = ?
    299.5
    351.12
    400.15
    350.6
    436.5
    Option E
    2/5 of 15/14 of 21/36 of 9/16 of 64% of 4850 = ?
    => 2/5 * 15/14 * 21/36 * 9/16 * 64/100 *4850 = ?
    => ? = 48.5 * 3 * 3
    => ? = 436.5

     

  4. (42*44)/121 of 1331 – ?% of 500 = 28% of 450
    5000.3
    4040.4
    6245
    4200
    4000.5
    Option B
    (42*44)/121 of 1331 – ?% of 500 = 28% of 450
    => 20328 – 126 = 5 * ?
    => ? = 20202/5
    => ? = 4040.4

     

  5. (19)2 + (7)3 – (15)3 + (23)2 = ? + (17)2 + (21)2
    -2522
    -2800
    -2724
    -2872
    -2890
    Option D
    (19)2 + (7)3 – (15)3 + (23)2 = ? + (17)2 + (21)2
    => 361 + 343 – 3375 + 529 = ? + 289 + 441
    => 361 + 343 -3375 + 529 – 289 – 441 = ?
    => ? = – 2872

     

  6. 24.78% of 789.88 = ? + 42.011+ (81.33)1/2 + 25.121
    116
    100
    147
    122
    135
    Option D
    24.78% of 789.88 = ? + 42.011+ (81.33)1/2 + 25.121
    => 25% of 790 = ? + 42 + (81)1/2 + 25
    => 197.5 = ? + 42 + 9 + 25
    => 197.5 – 42 – 9 – 25 = ?
    => ? = 121.5 (122 approx.)

     

  7. (13.8)2 – (43.78)2 + (50.11)2 = ? of 4.78 of 11.88
    10
    13
    16
    14
    11
    Option B
    (13.8)2 – (43.78)2 + (50.11)2 = ? of 4.78 of 11.88
    => (14)2 – (44)2 + (50)2 = ? * 5 * 12
    => 196 – 1936 + 2500 = ? * 60
    => ? = 12.6 (13 approx.)

     

  8. 32.33% of 5/10 of 40.22% of 4400.11 = ?
    208
    250
    265
    282
    290
    Option D
    32.33% of 5/10 of 40.22% of 4400.11 = ?
    => 32% of 5/10 of 40% of 4400 = ?
    => ? = (32 * 44)/5
    => ? = 281.6 (282 approx.)

     

  9. 6/7 of 14/45 of 150 * 34.77 = ? of 40.33 + 20
    32
    50
    42
    30
    35
    Option E
    6/7 of 14/45 of 150 * 34.77 = ? of 40.33 + 20
    => 6/7 * 14/45 * 150 * 34.77 = ? * 40 + 20
    => 2 * 2 * 10 * 35 = 40 * ? + 20
    => (1400 – 20)/40 = ?
    => ? = 34.5 (35 approx.)

     

  10. 20% of 539.80 + 40.11% of 720.14 = ? – 70.33% of 700.22
    886
    800
    870
    855
    820
    Option A
    20% of 539.80 + 40.11% of 720.14 = ? – 70.33% of 700.22 => 20% * 540 + 40% * 720 = ? – 70% * 700
    => 108 + 288 = ? – 490
    => ? = 108 + 288 + 490
    => ? = 886

     


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