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Question

There are $$11$$ players in Indian team who won 20-20 world cup in 2007. If each player shakes hands with all players, how many hands are shaken?


A
50
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B
110
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C
55
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D
60
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Solution

The correct option is C $$55$$
Since there are 11 players

So the number of hands shaken by 1 person=10
similarly no. of hands shaken by 2 person=9


..Similarly, the last person shakes hand with only itself

Total number of hand shaken=$$\dfrac{10\times 11}{2}=55$$

Maths

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