Category : 6th Class
WHAT IS CODING?
Coding is a method of expressing something in a secret way.
WHAT IS DECODING?
Decoding is a process to understand a code language.
TYPES OF CODING
1. Letter Coding: in this type of coding, letters are used in forward or backward or both the directions for making some code language.
2. Direct Letter Coding: Sometimes letters of a word are directly replaced by other letters. For example :
Here, Z, O, L, G and Y are replaced by P, M, T, H and D. Similarly, GOOGLY can be coded as HMMHTD.
3. Number/Symbol Coding: Sometimes numerals or symbols are assigned to words.
4. Substitution Coding: Sometimes some particular words are assigned to certain names.
If in a certain code language, POPULAR is coded as QPQVMBS, then which word would be coded as GBNPVT?
(a) FARMER (b) FAMOUS (c) FRAMES (d) FARMES
POPULAR is coded in the following way:
Similarly, we can obtain the word for which GBNPVT is code.
Consider as follows:
Thus, the required word is FAMOUS.
So, the correct option is (b).
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