# Coding and Decoding Questions and Answers

This set of Logical Reasoning Questions and Answers (MCQs) focuses on “Coding and Decoding”. These questions are beneficial for various competitive exams, placement interviews, and entrance tests.

1. In a certain code “SAND” is written as “UCPF”. How is “STONE” is written in that code?
a) SRLFE
b) UNSOP
c) UVQPG
d) UDLPQ

Explanation: Here, each letter moves +2 from its position.
i.e. S→U, A→C, N→P, D→F.
Similarly, S→U, T→V, O→Q, N→P, E→G.

2. In a certain code “LION” is written as “MNHK”. How is “MONKEY” is written in that code?
a) BWKXSU
b) XDJMNL
c) FSHXIL
d) GQWPJS

Explanation: Here, reverse the words and move -1 from its original position.
i.e. for “LION” the reversed word is NOIL and the code is MNHK.
Similarly, for “MONKEY” the reversed word is YEKNOM and the code is XDJMNL.

3. In a certain code “CODE” is written as “DPEF”. How is “DEFENCE” is written in that code?
a) EFGFODF
b) HRAOSCV
c) KWMCJFL
d) ELDFSAP

Explanation: Here, each letter moves +1 from its original position.
i.e. for “CODE” C→D, O→P, D→E, E→F.
Similarly, for “DEFENCE” the code is EFGFODF.

4. In a certain code “BASE” is written as “GUCD”. How is “COMMAND” is written in that code?
a) FCIDSLN
b) KOSFLKV
c) FPCOOQE
d) GNILDFW

Explanation: Here, reverse the words and move +2 from its original position.
i.e. for “BASE” the reversed word is ESAB and the code is GUCD.
Similarly, for “COMMAND” the reversed word is DNAMMOC and the code is FPCOOQE.

5. In a certain code “SPREAD” is written as “sPReaD”. How is “CORONA” is written in that code?
a) CoroNA
b) COroNa
c) coRoNa
d) CoRonA

Explanation: Here, according to the positions of the alphabets, odd position alphabets are written in small letters whereas, even position alphabets are written in capital letters.

6. If the letters of the word “PRODUCT” are arranged alphabetically, then which letter would be farthest from the second letter of word?
a) U
b) R
c) T
d) P

Explanation: Here, when arranged alphabetically the word is CDOPRTU.

7. In a certain code “FANTA” is written as “LGTZG”. How is “CRICKET” is written in that code?
a) NSKLIEA
b) FKCLIEC
c) IXOIQKZ
d) OWMAMDK

Explanation: Here, each letter moves +6 from its original position.
i.e. F→L, A→G, N→T, T→Z.
Similarly for “CRICKET” the code is IXOIQKZ.

8. In a certain code “DHRUVA” is written as “BWVSIE”. Which of the following words can be written as “ BWSBIUB”?
a) ACHARYA
b) MERCURY
c) ANTARTICA
d) ATHARVA

Explanation: Here, reverse the words and move +1 from its original position.
i.e. for “DHRUVA” the reversed word is AVURHD and the code is BWVSIE.
Similarly, for the code BWSBIUB the word is AVRAHTA and the reversed word is ATHARVA.

9. In a certain code “CH4IR” is written as “GL8MV”. How is “1N5T4GR4M” is written in that code?
a) 4HFID8E8N
b) 5R9X8KV8Q
c) 4P8W7JU8O
d) 5KF2E4GR4

Explanation: Here, each alphabet and number moves +4 from its original position.
i.e. C→G, H→L, 4→8, I→M, R→V.
Similarly, for 1N5T4GR4M the code is 5R9X8KV8Q.

10. If in the English alphabet, every alternate letter from D onwards is written in capital letters while others are written in small, then how will the 3rd day from Monday will be coded?
a) WEdNesDaY
b) weDNesDay
c) FrIDay
d) THuRsDay

Explanation: Here, the capital letters are D, F, H, J, L, N, P, R, T, V, X, Z. The third day from monday will be thursday and code will be THuRsDay.

More Logical Reasoning Questions on Coding and Decoding:

To practice all aptitude questions, please visit “1000+ Logical Reasoning Questions”, “1000+ Quantitative Aptitude Questions”, and “Data Interpretation Questions”.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]