There are 7 pink, 5 black and 11 yellow balls. Minimum number of balls required to
taken out to get at least one yellow and one black ball is

• Minimum 19 time
  7+ 11 =18
  18+1=19
• 8 years agoHelpfull: Yes(1) No(1)
• 19
  if u pick 18 balls it might contain 11yellow balls and 7 pink balls. and any less than shell contain lesser number of balls from this setup but if u pick up 19 there is no way u can miss a black ball
• 7 years agoHelpfull: Yes(0) No(1)