Your sock drawer contains ten pairs of white socks and ten pairs of black socks. If you're only allowed to take one sock from the drawer at a time, what's the minimum number of socks you need to take before you're guaranteed to have a pair?

• we need to 3 socks take out from the draWER to confirm atleast one pair
• 10 years agoHelpfull: Yes(0) No(1)