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 Coding and Decoding Questions

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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

Explanation:
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2 38696
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

Explanation:
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5 38629
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 -

Explanation:
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2 38505
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

Explanation:
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0 38445
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 37828
Q:

Acording to a military code, SYSTEM is SYSMET and NEARER is AENRER. What is the code for FRACTION ?

A) CARFTINO B) CARFTION
C) ARFCNOIT D) CARFNOIT
 
Answer & Explanation Answer: D) CARFNOIT

Explanation:

The letter is the first half and the letter half of the word are separately reversed to obtain the code.

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243 37804
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 ÷

Explanation:
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0 37432
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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186 37282