Question

How many ways can a group of three students be chosen from a class of 30?

Answer 1

This seems like a Math question... Post it in the Math section for more reliable and faster help.

Answer 2

hey rima, welcome to open study..... :)

please post your question in the relevant section, so that it may be answered... :)

here, it will be solved by the combination formula.... nCr= n!/(n-r)! * r! ...

here n=30 and r=3... 30C3.... solve it now.... @rima7157