NDA2013MathematicsProbabilityActual
A bag contains balls of two colours, 3 black and 3 white. What is the smallest number of balls which must be drawn from the bag, without looking, so that among these there are two of the same colour?
Options
- A2
- B3
- C4
- D5
Correct answer
C. 4
Step-by-step solution
Minimum 4 balls have to be drawn.