Questions
A composite number is selected at random from the first 30 natural numbers and it is divided by 5. The probability that there will be a remainder is
detailed solution
Correct option is A
The number of composite numbers in 1 to 30 is n(S) = 19.The number of composite numbers when divided by 5 leaves a remainder is n(E) = 14. Therefore, the required probability is 14/19.Talk to our academic expert!
Similar Questions
A bag contains 10 different balls. Five balls are drawn simultaneously and then replaced and then seven balls are drawn. If the probability that exactly three balls are common to the two draws is p, then the value of 8p is ________.
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