Question

Number of ways in which 12 different balls can be divided into groups of 5, 4 and 3 balls are

• A. $\frac{12!}{5!4!}$
• B. $\frac{12!}{5!4!3!}$
• C. $\frac{12!}{5!4!3!3!}$
• D. None of these

Answer 1

The correct option is B $\frac{12!}{5!4!3!}$

$\frac{12!}{5!4!3!}$