Question

a bag contains 75 red balls, 25 green balls and 90 Blue Balls . A ball is taken out from the bag at random . what is the probability that the ball is not blue ball

Answer 1

Red = 75

Green = 25

Blue = 90

Total balls = 75 + 25 + 90

= 190

Not blue ball = total balls - blue balls

= 190 - 90

= 100

P(not blue) = 100/190

= 10/19

Answer 2

Answer:

10/90

Step-by-step explanation:

red=75

green=25

blue=90

total balls=75+90+25

not blue ball=total ball with subtracted with blue balls

190-90

=100

so,the probability of not blue ball is 100/90=10/90

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