at the end of conference the ten people present all shake hand with each other once
how many handshakes will there be altogether
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Answered by
0
Step-by-step explanation:
sorey nhi pta
Answered by
10
Answer:
45
Step-by-step explanation:
Person 1 with the rest 9
Person 2 with the rest 8, not counting person 1 as it is already counted above
...
Person 9 with person 10, not counting the rest 8 as counted in previous steps
total= 9+8+...1= 45 handshakes
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