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 Coding and Decoding Questions

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Q:

If 6@16 = 11, 2@14 = 8 and 8@8 = 8, then find the value of 10@18 = ?

 

A) 4 B) 6
C) 12 D) 14
 
Answer & Explanation Answer: D) 14

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5 18479
Q:

In a certain code, '247' means 'spread red carpet' ; '256' means 'dust one carpet' and '234' means 'one red carpet'. Which digit in that code means 'dust' ?

A) 2 B) 3
C) 5 D) 6
 
Answer & Explanation Answer: C) 5

Explanation:

In the first and second statements, the common code digit is '2' and the common word is 'carpet'.

 

So, '2' means 'carpet'.

In the second and third statements, the common code digit is '6' and the common word is 'one'.

 

So, '6' means 'one'.
Therefore, in the second statement, '5' means 'dust'.

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95 18416
Q:

If "$" means "added to", "@" means "divided by", "#" means "multiplied by" and "%" means "subtracted from", then

136 @ 17 # 0 $ 19 % 5 = ?

 

A) 67 B) 24
C) 14 D) 23
 
Answer & Explanation Answer: C) 14

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0 18414
Q:

Which of the following terms follows the trend of the given list?

 

ABCABcaBC, ABCAbcABC, ABCabCABC, ABcaBCABC, AbcABCABC, ______________

 

A) ABCABCabC   B)  abCABCABC  
C) ABCABcaBC   D)
 
Answer & Explanation Answer: B)  abCABCABC  

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6 18360
Q:

If 6α1 = 70, 2α3 = 50 and 4α5 = 90, then find the value of 1α4 = ?

 

A) 50   B) 30  
C) 10   D) 60
 
Answer & Explanation Answer: A) 50  

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2 18208
Q:

Interchanging which two signs will make the following equation correct?

 

42 / 4 + 2 - 3 x 5 = 29

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

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0 18116
Q:

Answer the questions based on the below information.

 

If '+' is 'x', '-' is '+', 'x' is '/' and '/' is '-' then 3 x 2 + 4 - 2 / 9 = ?

 

A) -1 B) 1
C) -2 D) 3
 
Answer & Explanation Answer: A) -1

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1 18028
Q:

Which signs should be interchanged if the equation below needs to be true?

 

1.5 + 8 x 9 - 16 / 2 = 4

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

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