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There are 30 balls in a bag on which the number 1, 2, 3 . . . . . . . 30 are marked one ball is drawn randomly from the bag. Find the probability that the number marked on the ball taken out of the bag is divisible by 4 or 6.
Answer & Solution
Correct Answer:
Option
D
Number of divisible by 4 = 7
Number of divisible by 6 = 5
Number of divisible by (4, 5, 6) = 2
Total number = 7 + 5 - 2 = 10
Probability = $$\frac{{10}}{{30}}$$ = $$\frac{1}{3}$$
Number of divisible by 6 = 5
Number of divisible by (4, 5, 6) = 2
Total number = 7 + 5 - 2 = 10
Probability = $$\frac{{10}}{{30}}$$ = $$\frac{1}{3}$$
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