MHT CET 2026 Mathematics question
The number of 4-letter words formed from the English alphabet such that there are exactly 2 vowels and 2 consonants and no vowel is repeated, but consonants may be repeated is:
Answer: (D)
Solution
There are 5 vowels and 21 consonants. Step 1: choose which 2 of the 4 positions hold vowels: . Step 2: fill those two positions with distinct vowels in order: (ordered, no repetition). Step 3: fill the remaining two positions with
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