Question

two digit number are form using digit 2,3,5,7 without repeting the digit write the sample space s​

Answer 1

Answer:

[ ] [ ] → 3 ways

↓

4 ways

Therefore, n (S) = 12

» S = {23, 25, 27, 32, 35, 37, 52, 54, 57, 72, 73, 75}