Interactive practice questions
Evaluate $5!$5!
Easy
< 1min
Evaluate $4!6!$4!6!
Easy
< 1min
Find the value of $\frac{11!}{5!6!}$11!5!6!.
Easy
< 1min
Simplify $\frac{19!}{15!4!}$19!15!4! by identifying common factors of the numerator and denominator.
Easy
1min
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