Each section in first year of plus two course has exactly 30 students.

1.	Each section in first year of plus two course has exactly 30 students. If there are 3 sections, in how many ways can a set of 3 student representatives be selected from each section?
Answer» 1st representative can be selected from first section in 30 ways. 2nd representative can be selected from second section in 30 ways. 3rd representative can be selected from third section in 30 ways. ∴ Required number of ways = 30 × 30 × 30 = 27000.

Each section in first year of plus two course has exactly 30 students. If there are 3 sections, in how many ways can a set of 3 student representatives be selected from each section?

Answer»

1st representative can be selected from first section in 30 ways.

2nd representative can be selected from second section in 30 ways.

3rd representative can be selected from third section in 30 ways.

∴ Required number of ways = 30 × 30 × 30 = 27000.