Coding–Decoding · Question 29 · Hard

Coding–Decoding question 29

Study the coding scheme:
Letter: A E K L M R S T
Digit: 3 7 1 6 2 9 4 8
Conditions:
(i) If the first and the last letters are both consonants, their codes are interchanged.
(ii) If the first letter is a vowel and the last letter is a consonant, the first is coded as @ and the last as $.
(iii) If neither condition applies, each letter takes its own digit.
What is the code for SKATL?

  1. 61384
  2. @138$
  3. 41386
  4. 61834
Answer and explanation

Answer: A. 61384

Explanation: S and L are both consonants, so condition (i) applies. The plain codes are S4 K1 A3 T8 L6 = 41386; swapping the first and last digits gives 61384.

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