Coding and Decoding Questions

Q:

If 5Δ1 = 40, 9Δ9 = 0 and 7Δ1 = 60, then find the value of 4Δ9 = ?

A) 80 B) -30
C) -50 D) -90
 
Answer & Explanation Answer: C) -50

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Q:

In a certain code language "POUCH" is written as "53461", and "PRAYERS" is written as "578902⇑". How will "CHEES" be written in that code language?

A) 6102⇑ B) 6100⇑
C) 610⇑0 D) 6001⇑
 
Answer & Explanation Answer: B) 6100⇑

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Q:

If DIJOB means CHINA, then the last letter of the word got by decoding KBQBO is

A) I  B) A  
C) M D) N
 
Answer & Explanation Answer: D) N

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Q:

If A denotes '+', B denotes '-', C denotes '/', D denotes 'x' then the value of the expression 9 D 48 C 6 B 16 A 3 is

A) 53 B) 35
C) 59 D) 56
 
Answer & Explanation Answer: C) 59

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Q:

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

 

7 ÷ 10 - 15 + 6 x 18 = ?

 

A) 1 B) 43
C) 49 D) 2
 
Answer & Explanation Answer: D) 2

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Q:

If DRIVER is coded as 5 and BELIEVED is coded as 7, then what is the code for EXAMINATION?

A) 9 B) 10
C) 11 D) 8
 
Answer & Explanation Answer: B) 10

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Q:

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

 

14 x 10 ÷ 5 - 20 + 4 = ?

 

A) 19 B) 29
C) 34 D) 50
 
Answer & Explanation Answer: B) 29

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Q:

If 75$26 = 4, 69$53 = 7 then what is the value of 82$46 = ?

A) 62 B) 56
C) 0 D) 91
 
Answer & Explanation Answer: C) 0

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