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:
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
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