Question

A box contains 10 cards numbered 5,10, 15, ………., 50. A card is chosen

at random from the box. Find the probability of getting a 2-digit number whose sum of digits is a prime number.​

Answer 1

Answer:

The probability is 1 because there is 1 prime number

Answer 2

Answer:

The probability of getting a 2 digit number whose sum of digits is a prime number is 4/10.

The numbers are 10, 20, 25, 30.

Adding the digits of these numbers will give you a prime number.

Step-by-step explanation:

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