a bag contains 30 balls numbered 1 to 30 what is the probability that the choosen ball is divible by 3 or 7?
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Answer:
14/30
Step-by-step explanation:
Numbers divisible by 7 under 30 is 7,14,21,28
Numbers divisible by 3 under 30 is 3,6,9,12,15,18,21,24,27,30
Total number is 14
So the probability is 14/30
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