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 Coding and Decoding Questions

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Q:

If 2%1 = 30, 6%2 = 80 and 2%5 = 70, then find the value of 4%1 = ?

 

A) 100 B) 50
C) 80 D) 30
 
Answer & Explanation Answer: B) 50

Explanation:
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6 12814
Q:

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

 

9 ÷ 3 - 30 x 7 + 6 = 15

 

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

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2 12799
Q:

In certain language, CHAMPION is coded as HCMAIPNO, how is NEGATIVE coded in that code ?

A) NEAGVEIT B) ENAGITEV
C) MGAETVIE D) EGAITEVN
 
Answer & Explanation Answer: B) ENAGITEV

Explanation:

The letters of the word are reversed in order, taking two at a time, to obtain the code.

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32 12775
Q:

If in a certain language CHARCOAL is coded as 45164913 and MORALE is coded as 296137, how are the following words coded in that language ? REAL

A) 8519 B) 6713
C) 6513 D) 6719
 
Answer & Explanation Answer: B) 6713

Explanation:

The alphabets are coded as follows :

 

C H A R O L M E4  5 1  6  9 3  2 7

 

R is coded as 6,

 

E as 7,
A as 1  and
L as 3.
So, the code for REAL is 6713

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48 12742
Q:

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

 

3 + 4 - 25 ÷ 2 x 12 = 41

 

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

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0 12734
Q:

If A means '+', @ means 'x', & means '/' and V means '-', then the value of

 

7 @ 2 V 135 & 5 @ 3 & 9 A 1

A) 14 B) 9
C) 6 D) 1
 
Answer & Explanation Answer: C) 6

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2 12727
Q:

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

 

16 x 4 - 10 + 10 ÷ 6 = 54

 

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

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2 12700
Q:

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

XxXXXXX, XXxXXXX, XXXxXXX, XXXXxXX, XXXXXxX, _______________.

A) xXXXXXX B) XxXXXXX
C) XXXXXXx D) XXxXXXX
 
Answer & Explanation Answer: C) XXXXXXx

Explanation:
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