Coding and Decoding Questions

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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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 30369
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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2 30345
Q:

If 18$2 = 10, 8$4 = 6 and 12$18 = 15, then find the value of 7$9 = ?

 

A) 12   B) 20
C) 8 D) 18
 
Answer & Explanation Answer: C) 8

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15 30230
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 30228
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 29872
Q:

If 'W' means 'x', 'X' means '-', 'Y' means '+' and 'Z' means '/', then 28 Z 7 W 8 X 6 Y 4 = ?

 

A) 30 B) 3/2
C) 32 D) 34
 
Answer & Explanation Answer: A) 30

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0 29763
Q:

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

5 + 8 ÷ 40 - 20 x 25 = 6

 

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

Explanation:
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