Question

a two digit number is formed with digits 2,3,5,7,9 without repetition. what is the probability that the number formed is multiple of 3
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Answer 1

Step-by-step explanation:

If a number of two digits is formed with the digits 2, 3, 5, 7, 9 without repetition of digits. The probability that the number formed is 35, is. Assume that E be the event that the number formed is 35. Hence, the required probability = n(E)/n(S) = 1/20.