Coding and Decoding Questions

Q:

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

 

17 x 6 + 2 - 9 ÷ 2 = 44

 

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

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Q:

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

 

10 ÷ 18 + 25 x 20 - 5 = 92

 

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

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Q:

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

 

16 x 4 - 10 + 2 ÷ 12 = 18

 

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

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Q:

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

 

16 x 4 - 10 + 10 ÷ 6 = 54

 

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

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Q:

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

 

90 ÷ 10 + 5 - 6 x 4 = 28

 

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

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1 36114
Q:

If "A" means "minus", "B" means "divided by", "C" means "plus" and "D" means "multiplied by", then

 

54 B 6 A 4 C 2 D 5 = ?

 

A) 15 B) 21
C) 16 D) 18
 
Answer & Explanation Answer: A) 15

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1 36014
Q:

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

 

30 ÷ 2 - 10 x 6 + 5 = 35

 

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

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1 35948
Q:

If the mathematical operator, '+' means 'x', '/' means '-', '-' means '+', and 'x' means '/', then the value of 11 +14 x7- 5 / 29 is

 

A) -5 B) -12
C) -7 D) -2
 
Answer & Explanation Answer: D) -2

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