100
There are over 300 Ethnic groups in Indonesia ;)
300:25=12 groups
Alot
According to the Facebook help center you can join up to 300 groups. Once you have joined 300 groups you must delete some groups before joining others.
There are current 300 recognised species of octopus.
8 groups of 5 are there in 40.
300/5 = 60
sixty 60 = 300 / 5
5 minutes is 300 seconds @60 seconds per minute.
4 groups of 10 = 40. 40 /5 = 8 so the answer is 8 groups of 5.
9 groups of 5 are there in 45.
300 seconds = 5 minutes.