Coding and Decoding - Questions and Answers
Practice questions on Coding and Decoding.
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1. If ROSE is coded as 6821, CHAIR is coded as 73456 and PREACH is coded as 961473, what will be the code for SEARCH?
Explanation: ANSWER : 214673
Explanation : . From the coding pattern, it is clear that codes for S, E, A, R, C and H are 2, 1, 4, 6, 7 and 3, respectively as letters of the word are directly substituted.
2. In a certain code, INSTITUTION is written as NOITUTITSNI. How is PERFECTION written in that code?
Explanation: ANSWER : NOITCEFREP
Explanation : . Letters of the word INSTITUTION have been just reversed in the coded word. Therefore, PERFECTION will be coded as NOITCEFREP. Hence, option (4) is the correct answer.
3. In a certain code, GIGANTIC is written as GIGTANCI. How is MIRACLES written in that code?
Explanation: ANSWER : MIRLACSE
Explanation : . First three letter of the word are kept as they are sixth letter comes at fourth place shifting fourth and fifth letters to fifth and sixth places, respectively and the last two letters are exchanged.
4. In a code language if POSE is coded as OQNPRTDF, then the word TYPE will be coded as
Explanation: ANSWER : SUXZOQDF
Explanation : . The word has been coded in such as way that codes for letter P are OQ (One letter behind and one letter ahead of P in alphabet). Similarly, codes for O are NP and so on.
5. If `PAPER� is written as `OZODQ�, how `PENCIL� can be written in that code?
Explanation: ANSWER : ODMBHK
Explanation : . Each letter has been coded one letter back in the alphabetical series.