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Coding-Decoding

Letter and number coding, substitution coding.

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Q1 · Coding-Decoding · EASY
In a certain code language, 'PAPER' is written as 'OZODQ'. How is 'LIGHT' written in that code?
Q2 · Coding-Decoding · MEDIUM
In a certain code language, if 'PENCIL' is written as 'RGPEKN', then how will 'MARKER' be written in the same code?
Q3 · Coding-Decoding · MEDIUM
In a certain code language, 'COMPUTER' is written as 'DPNQVUFS'. How will 'NETWORK' be written in that code?
Q4 · Coding-Decoding · MEDIUM
If in a certain code language, 'RIVER' is written as 'SJWFS', then how will 'STREAM' be written in that code?
Q5 · Coding-Decoding · EASY
If in a certain code, PENCIL is written as RGPEKN, how will ERASER be written in that code?