what is the probability of a number picked from first twenty natural numbers is even composite number ?
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Even composite numbers r those which are not prime numbers...
So, even composite numbers are 4,6,8,10,12,14,16,18and of course 20...
So probability = 9/20 (Ans)....
So, even composite numbers are 4,6,8,10,12,14,16,18and of course 20...
So probability = 9/20 (Ans)....
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