JEE Mains · Maths · STD 11 - 6. permutation and combination
The number of words, with or without meaning, that can be formed by taking \(4\) letters at a time from the letters of the word \('SYLLABUS'\) such that two letters are distinct and two letters are alike, is
- A \(120\)
- B \(60\)
- C \(480\)
- D \(240\)
Answer & Solution
Correct Answer
(D) \(240\)
Step-by-step Solution
Detailed explanation
\(S _{2} YL _{2} ABU\) \(ABCC\) type words \(=240\)
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