emotionaldamage

3 Questions
0 Answers

0

61

3

+8

counting basics

How many positive five digit numbers have a 1, 3, 7 or 5 in them?

emotionaldamage Aug 21, 2023

0

61

2

+8

counting 'basics'

At a wedding, the bride and groom want to take a picture in a line with their 5 other friends.
However, the bride and groom have requested that they be placed next to each other. How
many ways can they line up for the picture?

emotionaldamage Aug 21, 2023