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In how many ways can 5 different colored balls be arranged in a row? (2021)

Practice Questions

Q1
In how many ways can 5 different colored balls be arranged in a row? (2021)
  1. 120
  2. 60
  3. 100
  4. 80

Questions & Step-by-Step Solutions

In how many ways can 5 different colored balls be arranged in a row? (2021)
  • Step 1: Understand that we have 5 different colored balls.
  • Step 2: Realize that we want to arrange these 5 balls in a row.
  • Step 3: Know that the number of ways to arrange 'n' different items is given by 'n!'.
  • Step 4: Calculate '5!' which means 5 factorial. This is 5 x 4 x 3 x 2 x 1.
  • Step 5: Perform the multiplication: 5 x 4 = 20, then 20 x 3 = 60, then 60 x 2 = 120, and finally 120 x 1 = 120.
  • Step 6: Conclude that there are 120 different ways to arrange the 5 colored balls.
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