Question

A bag contains 30 balls, some of which are red and the remaining are blue. The probability of drawing red is 1/6, what is the number of blue balls ?

Answer 1

Answer:

Total balls = 30

p( red) = 1/6

Let the number of red balls = x

p (red) = x/30 = 1/6

           = 6x = 30

           = x = 5

Red + Blue = 30

5 + blue = 30

      blue = 30 - 5

      blue  = 25