Permutations and Combinations · Mathematics · KCET

Ten chairs are numbered as 1 to 10. Three women and two men wish to occupy one chair each. First the women choose the chairs marked 1 to 6 , then the ...

If all permutations of the letters of the word MASK are arranged in the order as in dictionary with or without meaning, which one of the following is ...

$$A$$ and $$B$$ are non-singleton sets and $$n(A \times B)=35$$. If $$B \subset A$$, then $${ }^{n(A)} C_{n(B)}$$ is equal to

A student has to answer 10 questions, choosing at least 4 from each of the parts $$A$$ and $$B$$. If there are 6 questions in part $$A$$ and 7 in part...