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Each natural numbers from 1 to 20 is written on paper slips and put in a box. One slip is taken from the box, The probability of getting a prime number is :

A1/5

B3/5

C2/5

D4/5

Answer:

C. 2/5

Read Explanation:

Prime numbers = 2,3,5,7,11,13,15,17,19 Probability = 8/20= 2/5


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