How many slides should I have in my Powerpoint presentation?
Answer
A popular rule for the number of slides to include in a powerpoint presentation is the 10/20/30 rule developed by Guy Kawasaki.
Ten slides
Twenty minutes presentation time
Thirty point font on slides
For more information, and other tips on delivering presentations, check out the full description of the rule https://guykawasaki.com/the_102030_rule/.