We have,
Number of questions in the question paper = 12
Number of questions in part 1 = 5
Number of question in part II = 7
Number of questions to attempt = 8
Condition: Selecting at least 3 from each part
Part I(out of 5) |
Part I(out of 7) |
Number of ways |
3 |
5 |
5C3 x 7C5 |
4 |
4 |
5C4 x 7C4 |
5 |
3 |
5C5 x 7C3 |
∴ Required number of ways of selecting questions