If 6 different colored balls are to be arranged in a row, how many arrangements

Practice Questions

Q1
If 6 different colored balls are to be arranged in a row, how many arrangements are possible?
  1. 720
  2. 600
  3. 360
  4. 480

Questions & Step-by-Step Solutions

If 6 different colored balls are to be arranged in a row, how many arrangements are possible?
  • Step 1: Understand that we have 6 different colored balls.
  • Step 2: Realize that we want to arrange these 6 balls in a row.
  • Step 3: Know that the number of ways to arrange 'n' different items is given by 'n!'.
  • Step 4: For our case, 'n' is 6 because we have 6 balls.
  • Step 5: Calculate 6! (which means 6 factorial).
  • Step 6: 6! = 6 × 5 × 4 × 3 × 2 × 1.
  • Step 7: Perform the multiplication: 6 × 5 = 30, 30 × 4 = 120, 120 × 3 = 360, 360 × 2 = 720, and 720 × 1 = 720.
  • Step 8: Conclude that there are 720 different arrangements of the 6 colored balls.
  • Factorial Arrangements – The question tests the understanding of permutations, specifically how to calculate the number of ways to arrange a set of distinct items using factorial notation.
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