Simplification Questions Answers

• 1. 18800 / 470 / 20

  1. 1
  2. 2
  3. 3
  4. 4

  Answer And Explanation

  Answer: Option B

  Explanation:

  18800 / 470 / 20 = (18800 / 470) / 20 = 40 / 20 = 2

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• 2. Simplfy
  b - [b -(a+b) - {b - (b - a+b)} + 2a]

  1. a
  2. 2a
  3. 4a
  4. 0

  Answer And Explanation

  Answer: Option D

  Explanation:

  b-[b-(a+b)-{b-(b-a+b)}+2a]
  =b-[b-a-b-{b-(2b-a)}+2a]
  =b-[-a-{b-2b+a}+2a]
  =b-[-a-{-b+a}+2a]
  =b-[-a+b-a+2a]
  =b-[-2a+b+2a]
  =b-b
  =0

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• 3. 100 + 50 * 2 = ?

  1. 200
  2. 150
  3. 100
  4. 300

  Answer And Explanation

  Answer: Option A

  Explanation:

  After applying BOMAS rule,
  First Multiplication will be done then addition
  So it will be 100 + 100 = 200

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• 4. (3080 + 6160) / 28

  1. 380
  2. 350
  3. 330
  4. 310

  Answer And Explanation

  Answer: Option C

  Explanation:

  As per BODMAS rule, first we will solve the equation in bracket then we will go for division
  = (9240)/28 = 330

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• 5. 5004 / 139 - 6

  1. 25
  2. 27
  3. 29
  4. 30

  Answer And Explanation

  Answer: Option D

  Explanation:

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• 6. 7500 + (1250 / 50)

  1. 7500
  2. 7525
  3. 7550
  4. 8000

  Answer And Explanation

  Answer: Option B

  Explanation:

  As per BODMAS rule first we will solve the terms in the bracket then other.
  = 7500 + (25) = 7525

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• 7. \begin{aligned}
  (3\frac{1}{4}\div \{1\frac{1}{4} - \frac{1}{2}(2\frac{1}{2} - \overline {\frac{1}{4} - \frac{1}{6}} ) \} )
  \end{aligned}

  1. 78
  2. 88
  3. 98
  4. 108

  Answer And Explanation

  Answer: Option A

  Explanation:

  Tip:
  As you can see, there is bar over
  \begin{aligned}
  \overline{\frac{1}{4}-\frac{1}{6}}
  \end{aligned}
  So their sign will be changed from - to + as
  \begin{aligned}
  \frac{1}{4}+\frac{1}{6}
  \end{aligned}
  

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