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Class 11MathematicsPermutations and CombinationsPermutationsEasy
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The word (SCHOOL) has (O) twice. How many distinct letter arrangements are possible?

Answer and explanation

Correct answer: (360)

There are (6) letters and two identical (O)'s, so (\frac{6!}{2!}=360). Use a denominator for a repeated letter.

Related tags

PermutationsClass11EasyPermutations And CombinationsMathematicsClass 11 Mcq
सुधार सुझाएँ / Earn

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