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Question
Frame Additive cipher table (key = 4)
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Solution
Step 1: write all alphabets
Step 2: Assign numbers to each alphabet starting from 00 till 25.
Step 3: add key value (here it is 4) to the numbers assigned in step 2 to form cipher table
| a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z |
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
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G Z N R O = _____________________________
N Z G S V N Z G R X H = _____________________________
H X R V M X V = _____________________________
H L X R Z O H X R V M X V = _____________________________
Match the following :
( a = 00……………. Z= 25)
| Column A | Column B |
| (i) mathematics | (a) 18 20 01 19 17 00 02 19 08 14 13 |
| (ii) addition | (b) 03 08 21 08 18 08 14 13 |
| (iii) subtraction | (c) 12 00 19 07 04 12 00 19 08 02 18 |
| (iv) multiplication | (d) 00 03 03 08 19 08 14 13 |
| (v) division | (e) 12 20 11 19 08 15 11 15 02 22 19 08 14 13 |
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