Brain Teasers
Healthy Mind and Body
You have two magic pills! One decreases your life span by 10% and the other increases your life span by 10%. The trouble is, you don't know which is which. You take one but then start to worry that it was the bad one so you take the other one to counteract it. Will you now have a normal life span?
Answer
No!1.1 x 0.9 = 0.99. You'll still lose 1% of your life span!
Hide Answer Show Answer
What Next?
View a Similar Brain Teaser...
If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.
Solve a Puzzle
Comments hidden to avoid spoilers.
Follow Braingle!