In how many ways can 3 different prizes be awarded to 5 students?

Practice Questions

Q1
In how many ways can 3 different prizes be awarded to 5 students?
  1. 60
  2. 100
  3. 30
  4. 20

Questions & Step-by-Step Solutions

In how many ways can 3 different prizes be awarded to 5 students?
Correct Answer: 60
  • Step 1: Understand that we have 3 different prizes to give out.
  • Step 2: Recognize that there are 5 students who can receive these prizes.
  • Step 3: Realize that the order in which we award the prizes matters because they are different.
  • Step 4: Use the formula for permutations, which is P(n, r) = n! / (n - r)!, where n is the total number of students and r is the number of prizes.
  • Step 5: In this case, n = 5 (students) and r = 3 (prizes).
  • Step 6: Plug the values into the formula: P(5, 3) = 5! / (5 - 3)!.
  • Step 7: Calculate 5! (which is 5 x 4 x 3 x 2 x 1 = 120) and (5 - 3)! (which is 2! = 2 x 1 = 2).
  • Step 8: Now divide: 120 / 2 = 60.
  • Step 9: Conclude that there are 60 different ways to award the 3 prizes to the 5 students.
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