"A drawer contains an equal number of socks of two colors. Now, 20 socks of a new color are added to the drawer and this does not change the probability of drawing (without replacement) two socks of the same color.
How many socks were there in the drawer originally?"
Do you know the answer?
This puzzle has been submitted by our reader Siddhant Tewari Click here to submit a puzzle to APuzzleADay
