Pigeonhole Principle

[burnt elk]

1. Wait patiently for a helper to come along.
2. Once someone helps you, say thank you and close the thread with: ```diff
   +close

[zenith nymph]

Applying pigeonhole principle in this case is same as going through the worst case scenario

So first take all 6 red balls, then 8 green ones, then 9 each of blue, yellow and white. Now only these three colours are remaining so no matter which colour ball you get, you'll have 10 balls of same colour