Question

A box contains 20 cards marked with the numbers 1 to 20. One card is drawn from this box at random. What is the probability that number on card is a prime number. 

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Answer 1

Answer:

7/20

Step-by-step explanation:

No. Of Cards = 20

No. of prime numbers under 20= 2,3,5,7,11,13,19

Probability = 7/20

Therefore 7/20 is the probability and cannot be further simplified