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What will be the number of shakehands by a group of30persons if each shakehand each

Posted by Ashutosh Pathak 6 years, 6 months ago

CBSE > Class 08 > Mathematics

2 answers

Ashutosh Pathak 6 years, 4 months ago

No it is 435

1Thank You

Harsh Mishra 6 years, 6 months ago

Total No. of Shake Hands = 29 + 28 +27 +26 + 24 + 23 + 22 + 21 + 20 ....... + 5 + 4 + 3 + 2 as the last one and the first one already shake hand with everybody at their turns, that's why they aren't counted..... Therefore, It is Equal to 434, You'll read more about it in your Successive Classes... :)

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