Coding and Decoding Questions

Q:

If 5#5 = -25, -4#-3 = -12 and 3#-3 = 9, then find the value of 4#5 = ?

 

A) 49 B) -56
C) -17 D) -20
 
Answer & Explanation Answer: D) -20

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Q:

If "A" means "minus", "B" means "divided by", "C" means "plus" and "D" means "multiplied by", then

 

54 B 6 A 4 C 2 D 5 = ?

 

A) 15 B) 21
C) 16 D) 18
 
Answer & Explanation Answer: A) 15

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Q:

 If 3@7 = 20, 8@1 = 18 and 6@5 = 22, then find the value of 4@4 = ?

 

A) 15 B) 16
C) 20 D) 29
 
Answer & Explanation Answer: B) 16

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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

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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 -

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Q:

In a certain language, SUPERMAN is coded as TTQDSLBM. How is SPIDERMAN coded in that language ?

A) TOJCFQNZO B) TOJCFSLBM
C) TOJCFONZO D) TOJCOSLBM
 
Answer & Explanation Answer: A) TOJCFQNZO

Explanation:

There is two sequence.
S(odd) P(Even) I(odd) D(even) E(odd) R(even) M(odd) A(even) N(odd)
For odd sequence, we want to write next alphabet of that
and for even, we want to write previous alphabet of that.

TOJCFQNZO is the Answer.

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27 7875
Q:

If UPTO is coded as PTUO, how is CANT coded?

 

A) NCTA B) ANCT
C) ANTC D) NTCA
 
Answer & Explanation Answer: B) ANCT

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Q:

If 20 - 10 means 200, 8 / 4 means 12, 6x2 means 4, then

 

100 - 10 x 1000/ 1000 + 100 x 10 = ?

 

A) 20 B) 10
C) 0 D) 1
 
Answer & Explanation Answer: C) 0

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