How many ways can 5 different colored balls be arranged in a line? (2016)

Practice Questions

Q1
How many ways can 5 different colored balls be arranged in a line? (2016)
  1. 120
  2. 60
  3. 30
  4. 24

Questions & Step-by-Step Solutions

How many ways can 5 different colored balls be arranged in a line? (2016)
  • Step 1: Understand that we have 5 different colored balls.
  • Step 2: Realize that we want to arrange these balls in a line.
  • Step 3: Know that the number of ways to arrange 'n' different items is given by 'n!' (n factorial).
  • Step 4: Calculate 5! (5 factorial), which means 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.
  • Permutations – The arrangement of distinct objects in a specific order, calculated using factorial notation.
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