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

Click here for practice sets on Simplification/Approximations

 

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9 Thoughts to “Quantitative Aptitude: Simplification Questions Set 19”

  1. Ak$hita $inghal

    Q4 ka answer e hoga…

  2. Pablo Escobar

    Mam Q 10 can it be solved without expansion of mixed fractions?

    1. JVS

      yes.But you should calculate through approximation method.By practice you can be an adept

  3. Bintu

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

  4. Ruchiie

    Q3 ko jldi solve kaise kre?

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