Coding Decoding Questions Answers

• 8. If COOL is coded as DQRP, then write the code for HOT

  1. JQW
  2. IQW
  3. IQX
  4. IPW

  Answer And Explanation

  Answer: Option B

  Explanation:

  In COOL, first letter is increased by 1, second by 2, third by 3 and so on.
  
  So HOT will be coded as,
  H+1 I
  O+2 Q
  T+3 W
  
  So it will be IQW

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• 9. If COMPLETED is coded as MOCELPDET, then DIRECTION will be coded as :

  1. RIDTCENOJ
  2. SIDTCENOI
  3. RIDTCENOI
  4. RIETCENOI

  Answer And Explanation

  Answer: Option C

  Explanation:

  In given word, word is divided into three parts like
  COM+PLE+TED, then these parts are written in reverse order as
  
  MOC+ELP+DET
  
  So DIRECTION will be DIR+ECT+ION,
  which will be RIDTCENOI
  

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• 10. If in a certain language, COUNSEL is coded as BITIRAK, how is GUIDANCE written in that code ?

  1. EOHYZJBB
  2. FOIYZJBB
  3. FOHYZJBB
  4. None of above

  Answer And Explanation

  Answer: Option C

  Explanation:

  The letters at odd positions are each moved one step backward, while the letters at even positions are respectively moved six, five, four, three, two,... steps backward to obtain the corresponding letters of the code.

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• 11. If FRIEND is coded as HUMJTK, how is CANDLE written in that code ?

  1. EDRIRL
  2. DCQHQK
  3. DEQJQM
  4. FYOBOC

  Answer And Explanation

  Answer: Option A

  Explanation:

  The first, second, third, fourth, fifth and sixth letters of th word are respectively moved two, three, four, five, six and seven steps forward to obtain the corresponding letters of the code.
  
  So CANDLE will be coded as EDRIRL.

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• 12. In a coded language COMPUTER is written as RETUPMOC. How is MACHINE written in the same code

  1. DHFTCHS
  2. HGTIRDM
  3. ENIHCAM
  4. HGRMSCH

  Answer And Explanation

  Answer: Option C

  Explanation:

  Letters are reversed.

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