Coding and Decoding Questions

Q:

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

 

6 x 18 + 40 ÷ 30 - 10 = 20

 

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?


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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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 37601
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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2 37516
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 37096
Q:

Select the missing term based on the given related pair of terms.

 

COULD : BNTKC :: MOULD : ___

 

 

A) CHMFI B) LNKTC
C) NITKH D) LNTKC
 
Answer & Explanation Answer: D) LNTKC

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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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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 -

Explanation:
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1 36010