Question

A bag contains some square cards. a prime number between 1 and 100 has been written on each card. find the probability of getting a card that the sum of the digits of prime number written on

Answer 1

Step-by-step explanation:

There are 25 prime numbers between 1 and 100. They are 2, 3, 5, 7, 11, 13,17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59,61, 67, 71, 73, 79, 83, 89, and97.

so possible combinations are

17,53,71

so total 3 possibilities out of 25 so

p=3/25=0.12 or 12%

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