There are 15 cards numbered from 1 to 30 Find the probability of numbe

1.	There are 15 cards numbered from 1 to 30 Find the probability of numbers not divisible by 3
Answer» I am not sure but the answer may be right Total Cards - 15 No. Divisible by 3 - 6, 9, 12, 15, 18, 21, 24, 27, 30 No. Not divisible by 3 - 1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 20, 22, 23, 25, 26, 28, 29. Probability of no. Not divible by 3 =20/30 = 2/3 Sorry 30 cards are there

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