# 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

• #### 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

• #### 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

• #### 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

• #### 5. 5004 / 139 - 6

1. 25
2. 27
3. 29
4. 30
##### Answer And Explanation

Answer: Option D

Explanation:

• #### 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

• #### 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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