Question

Ten cards numbered 0 to 9 are kept in a box. A card is taken out from the box without looking at the
number. What is the probability that the card drawn has a prime number written on it?​

Answer 1

Answer:

the probability is 2/5

Answer 2

Answer:

Prime numbers between 0 and 9 are - 2,3,5,7 (4 in number)

Total number of cards -10 in number

Probability of getting a prime number card -

No. of prime number cards/Total no. of cards

=>Probability = 4/10 or 2/5

Therefore the probability of getting a prime number card is

2/5

Hope this helps you...