Coding and Decoding Questions

Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

20 ÷ 14 + 5 x 20 - 2 = 56

A) + and x B) ÷ and -
C) + and ÷ D) - and +
 
Answer & Explanation Answer: B) ÷ and -

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Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

18 + 12 ÷ 9 - 30 x 16 = 10

A) + and x B) + and ÷
C) - and + D) ÷ and x
 
Answer & Explanation Answer: A) + and x

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5 35707
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

16 ÷ 8 - 5 x 2 + 6 = 9

 

A) + and x B) + and ÷
C) - and + D) ÷ and x
 
Answer & Explanation Answer: A) + and x

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0 35394
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

14 ÷ 10 x 20 - 40 + 34 = 1

 

A) x and - B) ÷ and -
C) ÷ and x D) - and +
 
Answer & Explanation Answer: C) ÷ and x

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2 35236
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

12 ÷ 4 - 15 x 10 + 2 = 8

 

A) + and ÷ B) - and +
C) + and x D) ÷ and x
 
Answer & Explanation Answer: C) + and x

Explanation:
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0 34969
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

1 ÷ 14 x 30 + 20 - 10 = 12

A) - and + B) ÷ and x
C) x and - D) + and ÷
 
Answer & Explanation Answer: D) + and ÷

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0 34448
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

18 x 12 - 6 ÷ 5 + 4 = 35

 

A) + and x B) + and ÷
C) - and + D) ÷ and -
 
Answer & Explanation Answer: D) ÷ and -

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2 34350
Q:

If 9&4 = 50, 3&7 = -40 and 7&5 = 20, then find the value of 4&5 = ?

 

 

A) 80   B) -10  
C) 20   D)  -80
 
Answer & Explanation Answer: B) -10  

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