07-10-2017, 05:46 AM
From a previous thread on this topic:
www.punaweb.org/forum/topic.asp?TOPIC_ID=23540
Four people are in a room and seven leave. How many have to enter again before it's empty?
www.punaweb.org/forum/topic.asp?TOPIC_ID=23540
Four people are in a room and seven leave. How many have to enter again before it's empty?
"I'm at that stage in life where I stay out of discussions. Even if you say 1+1=5, you're right - have fun." - Keanu Reeves