Mathematics · Coding-Decoding
A group of letters is coded using numbers as per the table and conditions below: Letter: I, M, H, R, D, C, E, V Code: 4, 8, 0, 1, 3, 5, 7, 9 Conditions: (i) If the first element is a vowel and the last is a consonant, their codes are to be interchanged. (ii) If the first element is a consonant and the last is a vowel, both are to be coded as 2. (iii) If the middle letter is a vowel, it is to be coded as 6. What is the code for the word 'DRIVE'?
- 131967
- 231679
- 321492
- 421692✓
Correct answer
21692
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