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Andi1234567 Andi1234567
  • 04-08-2016
  • Mathematics
Answered

A circular, rotating, serving tray has 7 different desserts around its circumference. In how many different ways can all the desserts be arranged on the circular tray?

Verified Answer :

toporc
toporc toporc
  • 05-08-2016

If there are n different things in a circular arrangement, the number of ways of arranging them is (n - 1)!
The number of ways the desserts can be arranged on the circular tray is:
(7 - 1)! = 6 5 4 3 2 * 1 = 720 ways

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