Brain Teasers Optical Illusions Puzzle Hunts Codes & Ciphers Mechanical Puzzles
Personal Links
Browse Teasers
Search Teasers

Buttons, Buttons...

Probability puzzles require you to weigh all the possibilities and pick the most likely outcome.


Puzzle ID:#36645
Fun:*** (2.18)
Difficulty:* (0.92)
Submitted By:eagle_gurlAus*****




Nicole finds 27 buttons on the ground that are black. She adds them to her collection of 4 blue buttons, 3 black buttons, 13 white buttons, and 3 red buttons. What is the probability that Nicole will draw a black button out of the container that holds all of her buttons?



You have to add the 27 black buttons to the three that Nicole already had.


What Next?


See another brain teaser just like this one...

Or, just get a random 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.


Back to Top

Online Now
4 users and 595 guests

Users In Chat
Follow Braingle!
Tap into all 20,000+ of our brain teasers, riddles and puzzles on your iPhone or iPad.

Braingle in the iTunes App Store
Copyright © 1999-2017 | FAQ | Widgets | Links | Green | Subscribe | Contact | Privacy | Conditions | Advertise | Braingle Time: 7:28 pm
Sign In Create a free account