Coding and Decoding Questions

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 67898
Q:

Replace # sign with the mathematical operators '+', '/','-'or'=' to get a balanced equation out of 186 # 31 # 36 # 30.

 

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

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0 67233
Q:

In a certain code, MONKEY is written as XDJMNL. How is TIGER written in that code ?

A) SHFDQ B) HFDSQ
C) RSAFD D) QDFHS
 
Answer & Explanation Answer: D) QDFHS

Explanation:

The letter of the word are written in a reverse order and then each letter is moved one step backward to obtain the code.

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833 66505
Q:

If MENTOR = NVMGLI then PROFESSOR =

 

A) QSPGFTTPS B) KILUVHHLI
C) KSLGVTHMI D) KILGFHHLI
 
Answer & Explanation Answer: B) KILUVHHLI

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4 65743
Q:

If x means -, / stands for +, + stands for /, and - stands for x, which of the following gives 125 - 50 / 10 + 20 x 4 ?

 

A) 360 B) 315
C) 6246.5 D) 420
 
Answer & Explanation Answer: D) 420

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2 64282
Q:

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

 

QPQPQRPQP, QPQPRQPQP, QPQRPQPQP, QPRQPQPQP, QRPQPQPQP, _______________.

 

A) RQPQPQPQP   B) QPQPQPRQP  
C) QPQPQRPQP D) QPQPRQPQP
 
Answer & Explanation Answer: A) RQPQPQPQP  

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3 63173
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 62449
Q:

If SON = 678 and TEN = 948, then STONE =

 

A) 69797 B) 69784
C) 68784 D) 69764
 
Answer & Explanation Answer: B) 69784

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12 60842