Coding–Decoding — Advanced Exam Problems
Coding–Decoding — exam के advanced सवाल
title
Coding–Decoding — Advanced Exam Problems
- Coding–Decoding
- Coding–Decoding — Advanced Exam Problems
नमस्ते दोस्तों, कैसे हैं आप सब? चलिए आज की class शुरू करते हैं। आज हम सीखेंगे — Coding–Decoding — exam के advanced सवाल। घबराइए मत, हम एकदम basic से शुरू करेंगे। Ready? चलिए!
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Interactive — learn by doing. Drag, tap and explore to build the intuition.
Coding by shifting letters
Most codes just move every letter forward or back by the same step. Find the step from one pair, then apply it to all.
D
+3
G
E
+3
H
L
+3
O
H
+3
K
I
+3
L
GHOKL
Each letter moved 3 places forward in the alphabet.
💡 Reverse coding uses shift −(that step); “opposite letter” is the special case A↔Z, i.e. 27 − position.