Answer:
120
Step-by-step explanation:
Here there are 10 different packages in which we have to choose 3
so required number of ways [tex]_{3}C^{10}\textrm{}[/tex]
[tex]_{3}C^{10}\textrm{}=\frac{10!}{3!7!}=\frac{10\times 9\times 8}{3\times 2\times 1}=120[/tex]
So there are 120 ways in which we select the different groups of software package.
so the correct answer will be 120
