Math, asked by boota, 10 months ago

94. At the end of a conference the 10 people
present all shake hands with each other once.
How many hand shakes will there be
altogether?
(A) 20
(B) 35
C) 45
(D) 55

Answers

Answered by AniketReal04

3

Answer:

45

Step-by-step explanation:

1 person shakes hand with 9 people

2 person shakes hand with 8 people

In this order the number of hand shakes decreases with each person.

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