Quantitative Aptitude: Simplification Questions Set 109

  1. 1366 + 336 – 666 – 33 + 333 = ?
    1336
    1136
    1236
    1363
    none of these
    Option A
    Correct Option: A
    1366 + 336 – 666 – 33 + 333 = ?

    ⇒ 1336 = ?

    Hence, option A is correct

     

  2. ? % of (19154 – 15644) = 81 + 6*6
    5
    3
    10/3
    20/3
    6
    Option C
    ?% of 3510 = 117

    or, (? × 3510 / 117) =100

    or, ? = 100 / 30 = 10 / 3

    Hence, option C is correct.

     


  3. √(1686 – 317) + √(3440 – 524) = ?
    92
    95
    91
    99
    none of these
    Option C
    √(1686 – 317) + √(3440 – 524) = ?

    √1369 + √2916 = ?

    ? = 37 + 54 = 91

    Hence, option C is correct

     

  4. 64% of √409600 ÷ 1.6 = ? × 2.56
    64
    81
    10
    100
    110
    Option D
    64% of √409600 ÷ 1.6 = ? × 2.56

    ? × 2.56 = 64% of 640 ÷ 1.6

    ? × 2.56 = (64 × 640 / 100) ÷ 1.6 = (64 × 640) / 100 × 1.6) = 256

    ∴ ? = (256/2.56) = 100

    Hence, option D is correct.

     


  5. 10*0.5 × √? = 735 ÷ 3
    7
    49
    2401
    97
    68
    Option C
    10*0.5 × √? = 735 ÷ 3

    5 × √? = 245

    √? = 49
    ? = 2401
    Hence, option C is correct

     

  6. 534.255 – 786.55 + 678.45 + 45.324 – 23.122 = ?
    448.348
    438.438
    443.838
    438.448
    none of these
    Option A
    534.255 – 786.55 + 678.45 + 45.324 – 23.122 = 448.348

    Hence, option (A) is correct.

     

  7. 221 ÷ 23.6 × 94.4 ÷ 169 ÷ 17 = ? ÷ 91
    10
    28
    14
    18
    17
    Option B
    221 ÷ 23.6 × 94.4 ÷ 169 ÷ 17 = ? ÷ 91

    (221/23.6) × {94.4/ (169 × 17)} × 91 = ?

    (4/13) × 91 = ?

    ? = 28

    Hence, option B is correct.

     

  8. 2 + [ 2 – { 2 – 2 ( 2 + 2 ) } ] =?
    10
    -10
    6
    -6
    none of these
    Option A
    Given expression = 2 + [2 – {2 – 2 x 4 }]

    ⇒ 2 + [ 2 – {2 – 8}] ⇒ 2 + [ 2 – (–6)]

    ⇒ 2 + [2 + 6] ⇒ 2 + 8

    ⇒ 10.

    Hence, option A is correct.

     


  9. 100 × 10 – 100 – 2000 ÷ 100 = ?
    290
    980
    880
    780
    740
    Option C
    Given expression = 100 x 10 – 100 – 20

    ⇒ 1000 – 120

    ⇒ 880

    Hence, option C is correct.

     

  10. 85% of 620 + x% of 480 = 70% of 890
    10%
    20%
    33%
    45%
    64%
    Option B
    85% of 620 + x% of 480 = 70% of 890

    527 + x × 480 ÷ 100 = 623

    x × 4.8 = 623 – 527

    x × 4.8 = 96

    x = 20%

    Hence, option B is correct

     


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