Coding and Decoding Questions

Q:

If in a code language, COULD is written as BNTKC and MARGIN is written as LZQFHM, how will MOULDING be written in that code ?

A) CHMFINTK B) LNKTCHMF
C) LNTKCHMF D) NITKHCMF
 
Answer & Explanation Answer: C) LNTKCHMF

Explanation:

 Each letter in the word is moved one step backward to obtain the corresponding letter of the code

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Q:

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

 

20 + 14 ÷ 35 - 10 x 12 = 10

 

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

Explanation:
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Q:

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

 

14 + 8 ÷ 16 - 9 x 12 = 10

 

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

Explanation:
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Q:

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

411 B 3 A 29 C 53 D 20 = ?

A) 1169 B) 1156
C) 1168 D) 1163
 
Answer & Explanation Answer: C) 1168

Explanation:
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Q:

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

 

12 + 8 - 25 ÷ 10 x 18 = 14

 

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

Explanation:
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2 37043
Q:

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

 

7 x 16 + 20 - 20 ÷ 10 = 31

 

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

Explanation:
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2 36763
Q:

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

 

15 x 2 + 10 - 8 ÷ 20 = 15

 

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

Explanation:
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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 -

Explanation:
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