Mathematics - Permutation & Combination Question with Solution | TestHub

Statement I: The number of distributions of 10 identical toys among three students with each receiving at least two is $\left(\genfrac{}{}{0ex}{}{9}{2}\right)$. Statement II: The number of positive integer solutions of $x+y+z+w=7$ is $\left(\genfrac{}{}{0ex}{}{6}{3}\right)$.