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How many 5-letter words can be formed from the letters of the word 'MECHANICAL' that word always starts with a consonant?1. 45362. 42443. 44444. 4865 |
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Answer» Correct Answer - Option 1 : 4536 Given: Word is 'MECHANICAL' Number of letters in a word should be = 5 Condition: Word should be start from consonant. Solution: Total number of letters = 10 Repeated letters = 2 Consonant & 2 Vowels Letters available for 1st position = 6 Number of total words formed = (6× 9 × 8× 7× 6)/(2× 2) ⇒ Number of words formed = 4536 ∴5-letter words can be formed from the letters of the word 'MECHANICAL' that word always starts with a consonant are 4536. |
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