What is the outlier of 245 218 251 255 248 241 and 250 (I know it is 218 but I need the formula on this problem step by step)

Please answer!​
!NO LINKS!​

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts