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23 January, 21:37

At the opening session of the United States Supreme Court, each justice shakes hands with all the others. There are nine justices that sit on the Supreme Court. How many handshakes do they make during the opening session?

a.

32 handshakes

b.

36 handshakes

c.

45 handshakes

d.

81 handshakes

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Answers (1)
  1. 23 January, 22:39
    0
    9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1

    The answer is C. 45
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