21.There are 5 balls each of the colours white blue green yellow red in a bag. If 1 balls is drawn from the bag than the probability that the ball drawn is red is
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1
Answer:
White ball=1
Blue ball=1
Green ball=1
Yellow ball=1
Red ball=1
TOTAL NUMBER of ball=5
No. of red ball=1
P (E) = \frac{n(E)}{n(S)}
P (E) = \frac{1}{5}\\
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Answer:
Number of white color balls = 5
No: of blue balls = 5
No: of red balls=5
No: of green balls=5
No: of yellow balls = 5
Total no: of balls = 25
Therefore probability of getting red balls = 5/25 = 1/5
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