The T20 World Cup Finals has just ended with India defeating Australia. Each of the 11 Aussie players shakes hand with every indian player. How many shake hands were there after the match? (a)55...

The T20 World Cup Finals has just ended with India defeating Australia. Each of the 11 Aussie players shakes hand with every indian player.

How many shake hands were there after the match?

(a)55

(b)121

(c)66

This was the question asked in IIT Maths olympiad last year in the 1st level

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