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Quantitative Aptitude: Simplification Questions Set 19

Directions: What value should come in place of the x in the following questions? 

  1. 492 × 79 ÷ 3433 = 7x
    A) 3
    B) 5
    C) 8
    D) 7
    E) 4
    View Answer
      Option E
    Solution:
    492 = 74
    3433 = 79
    So 74 * 79 = 713
    713/79 = 74
    Now 74 = 7x
    So x = 4
  2. 58.09% of 449.9 – x% of 249.98 = 181.003  (Use Approximations)
    A) 24
    B) 46
    C) 32
    D) 23
    E) 39
    View Answer
      Option C
  3. 6 3/8 – 3 1/16 + 5 1/8 = x
    A) 8 9/16
    B) 9 3/16
    C) 4 5/16
    D) 8 7/16
    E) 6 5/16
    View Answer
      Option D

  4. 645 × 89 ÷ 5124 = 8x
    A) 11
    B) 16
    C) 12
    D) 9
    E) 7
    View Answer
      Option E
    Solution:
    645 = 810
    5124 = 812
    So 810 * 89 = 819
    819/812 = 87
    Now 87 = 8x
    So x = 7
  5. √(57 × 9.5 – (63 × 11.5) + 1408) = x
    A) 22
    B) 35
    C) 33
    D) 24
    E) 42
    View Answer
      Option B
  6. (3√5 +6)2 = x + 36√5 + 59
    A) 22
    B) 27
    C) 33
    D) 24
    E) 18
    View Answer
      Option A
  7. √11449 × √6241 – 542 = √x + 742
    A) 3227
    B) 3114
    C) 3398
    D) 3165
    E) 3721
    View Answer
      Option E
  8. 39.897% of 4331 + 58.779% of 5003 = x (Use Approximations)
    A) 4300
    B) 4700
    C) 5200
    D) 5500
    E) 3900
    View Answer
      Option B
  9. 4444 ÷ 40 + 645 ÷ 25 + 3991 ÷ 26  = x
    A) 298.6
    B) 267.5
    C) 290.4
    D) 287.4
    E) 284.3
    View Answer
      Option C
  10. 5 17/37  × 4 51/52 × 11 1/7 + 2 3/4= x
    A) 316.25
    B) 327.75
    C) 317.25
    D) 302.75
    E) 305.75
    View Answer
      Option E

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13 thoughts on “Quantitative Aptitude: Simplification Questions Set 19”

  1. please explain all answer completely , for some of the question given answer only, no explanation there

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