Coding and Decoding Questions

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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Q:

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

 

15 + 2 ÷ 20 x 10 - 6 = 13

 

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

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Q:

If '+' means x, '-' means /, 'x' means + and '/' means -, compute the value of the expression

 

17 + 6 x 13 / 8

A) 100 B) 107
C) 110 D) 109
 
Answer & Explanation Answer: B) 107

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Q:

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

16 ÷ 6 + 35 x 9 - 15 = 31

 

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

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1 15977
Q:

If S means '+', L means 'x', U means '/' and K means '-', then the value of

 

21 S 1 U 7 L 15 U 6 L 14 K 55

 

A) -50 B) 26
C) -29 D) 29
 
Answer & Explanation Answer: C) -29

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0 15865
Q:

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

21 + 16 x 35 - 70 ÷ 20 = 9

 

A) + and x B) + and ÷
C) - 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?


5 - 12 + 15 ÷ 50 x 25 = 23

 

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

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0 15737
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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