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30 June, 14:39

How many different groups of three kids can you make from seven kids?

35

210

6

24

+5
Answers (1)
  1. 30 June, 17:23
    0
    This is combination problem since the order or arrangement matters. This is easily solvable with your scientific calculator. The formula would be nCr, where n is the total number of persons, and r is the number of persons in a group. So, using your calculator,

    7C3 = 35

    There can be 35 different groups.
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