Question

The total number of ways of dividing 15 different things into groups of 8,4 and 3 respectively is

• A. $=\frac{15!}{8!4!3!}$
• B. $=\frac{15!}{8!4!}$
• C. $=\frac{15!}{8!3!}$
• D. $=\frac{15!}{4!3!}$

Answer 1

The correct option is A

$=\frac{15!}{8!4!3!}$

Required number of ways $=\frac{15!}{8!4!3!}$