Brain Game: 'O' for 100

filed under: , puzzle
Image credit: 
Like us on Facebook

Here's a brand new Brain Game Free-for-all Friday challenge. Enjoy!

When writing the numbers
by ones (in English) from 1 to 100,
how many times would the letter "O" appear?

Here is the ANSWER.

More from mental_floss...

October 5, 2012 - 3:30am
submit to reddit