Coding–Decoding · Question 12 · Hard

Coding–Decoding question 12

Study the coding scheme:
Letter: A B C D E F G H
Digit: 5 3 8 1 9 2 7 4
Conditions:
(i) If the first letter is a vowel and the last letter is a consonant, their codes are interchanged.
(ii) If both the first and the last letters are vowels, both are coded as #.
(iii) If neither condition applies, each letter takes its own digit.
What is the code for AFHCB?

  1. 32845
  2. 32484
  3. 32485
  4. 52483
Answer and explanation

Answer: C. 32485

Explanation: A is a vowel and B is a consonant, so condition (i) applies. Plain codes are A=5, F=2, H=4, C=8, B=3; swapping the first and last gives 3 2 4 8 5.

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