Question

Find the probability of a namber picked from fist 20 natural numbers is even composite numbers.​

Answer 1

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Even composite numbers from first 20 natural numbers =4, 6, 8, 10, 12, 14, 16, 18, 20

No. even composite numbers from above =9

No. of ways in which a number be picked from first 20 natural =20

∴ Probability of picking up an even composite number from first 20 natural numbers =9/20.

Answer 2

Answer:

●1/20 is the answer..........ok