TS EAMCET · Maths · Permutation Combination
The number of 4 letter permutations formed with English alphabet such that the number of distinct vowels is equal to the number of distinct consonants, when repetition is allowed, is
- A 630
- B \(3^5 \times 70\)
- C \(3^6 \times 70\)
- D \(3^4 \times 60\)
Answer & Solution
Correct Answer
(C) \(3^6 \times 70\)
Step-by-step Solution
Detailed explanation
The permutation of 4 letters such that voweI and consonants are equal…
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