Coding and decoding explanations with examples and practice questions

Coding and decoding in logical reasoning involves translating a message or pattern from one form to another based on a specific rule or pattern. The goal is to decipher the hidden message or pattern by understanding the encoding rule. Here's an explanation in simple terms, along with 20 multiple-choice questions and answers:

Concept Explanation:

Coding: Coding is the process of converting a message or pattern into a different form using a specific rule or pattern.

Decoding: Decoding is the process of converting the coded message or pattern back into its original form using the same rule or pattern.

Rules or Patterns: The coding and decoding rules can vary, such as shifting letters in the alphabet, replacing letters with numbers, or using mathematical operations.

Coding and Decoding Questions:

Question: If "CAT" is coded as "FBD," how is "DOG" coded?

Answer: "DOG" is coded as "GRJ." Explanation: Each letter in the word "CAT" is replaced by the letter that comes three positions after it in the alphabet. Therefore, "DOG" is coded as "GRJ."

Question: If "APPLE" is coded as "CRRNG," how is "BANANA" coded?

Answer: "BANANA" is coded as "DCPCPC." Explanation: Each letter in the word "APPLE" is shifted by two positions to the right in the alphabet. Therefore, "BANANA" is coded as "DCPCPC."

Question: If "SUN" is coded as "VWP," how is "MOON" coded?

Answer: "MOON" is coded as "OQQP." Explanation: Each letter in the word "SUN" is replaced by the letter that comes two positions after it in the alphabet. Therefore, "MOON" is coded as "OQQP."

Question: If "RAT" is coded as "UAW," how is "BAT" coded?

Answer: "BAT" is coded as "EDW." Explanation: Each letter in the word "RAT" is replaced by the letter that comes three positions after it in the alphabet. Therefore, "BAT" is coded as "EDW."

Question: If "PEN" is coded as "TJS," how is "INK" coded?

Answer: "INK" is coded as "LRN." Explanation: Each letter in the word "PEN" is replaced by the letter that comes four positions after it in the alphabet. Therefore, "INK" is coded as "LRN."

Question: If "CUP" is coded as "FXS," how is "MUG" coded?

Answer: "MUG" is coded as "QXL." Explanation: Each letter in the word "CUP" is replaced by the letter that comes six positions after it in the alphabet. Therefore, "MUG" is coded as "QXL."

Question: If "HAT" is coded as "MBW," how is "CAP" coded?

Answer: "CAP" is coded as "GED." Explanation: Each letter in the word "HAT" is replaced by the letter that comes four positions after it in the alphabet. Therefore, "CAP" is coded as "GED."

Question: If "RED" is coded as "VHG," how is "BLUE" coded?

Answer: "BLUE" is coded as "HPYJ." Explanation: Each letter in the word "RED" is replaced by the letter that comes five positions after it in the alphabet. Therefore, "BLUE" is coded as "HPYJ."

Question: If "SKY" is coded as "VNK," how is "SUN" coded?

Answer: "SUN" is coded as "VZR." Explanation: Each letter in the word "SKY" is replaced by the letter that comes three positions after it in the alphabet. Therefore, "SUN" is coded as "VZR."

Question: If "GUN" is coded as "KXQ," how is "COW" coded?

Answer: "COW" is coded as "GSZ." Explanation: Each letter in the word "GUN" is replaced by the letter that comes four positions after it in the alphabet. Therefore, "COW" is coded as "GSZ."

 Multiple Choice Questions:

1. If "HAPPY" is coded as "KDSSB," how is "SAD" coded?

A) VDG

B) UCF

C) VCF

D) UDF

Answer: A) VDG

2. If "FLOWER" is coded as "OLZAIV," how is "TIGER" coded?

A) KORMV

B) RKMVO

C) KRMVO

D) RKOMV

Answer: C) KRMVO

3. If "BASKET" is coded as "EBNVHW," how is "GLASS" coded?

A) JODVV

B) KMEWW

C) HMFEW

D) HMFVW

Answer: D) HMFVW

4. If "WATER" is coded as "ZDIHW," how is "SUN" coded?

A) VPM

B) VQO

C) VPO

D) VQM

Answer: B) VQO

5. If "CHAIR" is coded as "FKELU," how is "TABLE" coded?

A) WBKSA

B) UZJRD

C) SZIRE

D) UZKRE

Answer: B) UZJRD

6. If "HOUSE" is coded as "KTYXJ," how is "CAR" coded?

A) FUP

B) FYO

C) FVO

D) FUO

Answer: D) FUO

7. If "JACKET" is coded as "MFEMOV," how is "SHIRT" coded?

A) VMNUP

B) VNPUM

C) VMPUN

D) VMNPU

Answer: A) VMNUP

8. If "TRAIN" is coded as "WUFLQ," how is "TRUCK" coded?

A) WUQEO

B) WUQDO

C) WUQCO

D) WUQFO

Answer: B) WUQDO

9. If "MANGO" is coded as "RFSJT," how is "APPLE" coded?

A) ESTTI

B) ESSUI

C) ESTUI

D) ESTSI

Answer: C) ESTUI

10. If "ORANGE" is coded as "RUQDJI," how is "LEMON" coded?

A) NQLKI

B) NQLKJ

C) NQMKJ

D) NQMKI

Answer: B) NQLKJ

11. If "DOCTOR" is coded as "GSRGVW," how is "NURSE" coded?

A) RZWOI

B) RZWPI

C) RZVOI

D) RZVPI

Answer: D) RZVPI

12. If "TABLET" is coded as "YGODCV," how is "LAPTOP" coded?

A) OFUYRV

B) OFUYQU

C) OFUZRV

D) OFUZQU

Answer: C) OFUZRV

13. If "SHARP" is coded as "HTRDN," how is "BLUNT" coded?

A) RWXPK

B) RXWPK

C) RWXQL

D) RXWQL

Answer: B) RXWPK

14. If "MONEY" is coded as "RSTIH," how is "HAPPY" coded?

A) LFSSY

B) LFSTY

C) LGSTY

D) LGSSY

Answer: A) LFSSY

15. If "FRESH" is coded as "KUJXN," how is "COLD" coded?

A) GQNJ

B) GPNJ

C) GQNK

D) GPNK

Answer: C) GQNK

16. If "APPLE" is coded as "PONMK," how is "LEMON" coded?

A) QFPOL

B) QFQOL

C) QFPPL

D) QFQPL

Answer: A) QFPOL

17. If "SCHOOL" is coded as "XLCOPY," how is "COLLEGE" coded?

A) HPRSSIK

B) HPRSSJK

C) HPRRSJK

D) HPRRSIK

Answer: D) HPRRSIK

18. If "BREAD" is coded as "GAJDL," how is "BUTTER" coded?

A) GBVVDS

B) BVVVDS

C) GBVVES

D) BVVVES

Answer: A) GBVVDS

19. If "WINTER" is coded as "CMKDYQ," how is "SUMMER" coded?

A) DZJJHQ

B) DVJJHQ

C) DZJJHR

D) DVJJHR

Answer: C) DZJJHR

20. If "LONDON" is coded as "QRSTAQ," how is "PARIS" coded?

A) TISDX

B) TIRDX

C) TISDY

D) TIRDY

Answer: B) TIRDX