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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

Question is based on code language. Find the correct answer from the four alternatives given. In a certain code, ‘M E D I C I N E’ is coded as ‘E O J D J E F M’, - Mathematics

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Question

Question is based on code language. Find the correct answer from the four alternatives given.

In a certain code, ‘M E D I C I N E’ is coded as ‘E O J D J E F M’, then how is ‘C O M P U T E R’ written in the same code?

Options

  • C N P R V U F Q

  • C M N Q T U D R

  • R F U V Q N P C

  • R N V F T U D Q

MCQ

Solution

R F U V Q N P C

Explanation;

Hint:

lt is given that in a certain code MEDlClNE is coded as E O J D J E F M

When we observe the word and the code, we find that there is a pattern.

to understand, see the matching shapes

To get the code from the word, we follow the below steps

1. M E D I C I N E, swap 1st and last letters, so we get

E [E D I C I N] M

2. For the middle letters, replace the letters with their alphabetically next letters, so we get

3. Now we have to reverse the order of the middle letters in the bracket, so we get

E [O J D J E F] M = E O J D J E F M

Thus we get the code

So similarly, we have to follow the 3 steps to get code,

therefore: for C O M P U T E R

Step 1: Swap 1st and last letters, so we get

R [O M P U T E] C

Step 2: For the middle letters, replace the letters with alphabetically next letters, so we get

R [P N Q V L F] C

Step 3: Reverse the word of letters in the bracket to we get

R [F U V Q N P] C

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Cryptology
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Chapter 7: Information Processing - Exercise 7.3 [Page 261]

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Samacheer Kalvi Mathematics [English] Class 8 TN Board
Chapter 7 Information Processing
Exercise 7.3 | Q 9. (i) | Page 261
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