In how many ways can 6 different colored balls be arranged in a row? (2018)

Practice Questions

Q1
In how many ways can 6 different colored balls be arranged in a row? (2018)
  1. 720
  2. 600
  3. 480
  4. 360

Questions & Step-by-Step Solutions

In how many ways can 6 different colored balls be arranged in a row? (2018)
  • Step 1: Understand that we have 6 different colored balls.
  • Step 2: Recognize that we want to arrange these balls in a row.
  • Step 3: Realize that the order of the balls matters because they are different colors.
  • Step 4: Use the factorial notation to calculate the number of arrangements. The factorial of a number n (written as n!) is the product of all positive integers up to n.
  • Step 5: For 6 balls, we calculate 6! which means 6 x 5 x 4 x 3 x 2 x 1.
  • Step 6: Perform the multiplication: 6 x 5 = 30, then 30 x 4 = 120, then 120 x 3 = 360, then 360 x 2 = 720, and finally 720 x 1 = 720.
  • Step 7: Conclude that there are 720 different ways to arrange the 6 different colored balls.
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