There are eleven balloons floating in a big box. If one balloon clashes with another only once, how many clashes have there been?
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There are eleven balloons floating in a big box. If one balloon clashes with another only once, how many clashes have there been?
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Answer:
1 lane
Step-by-step explanation:
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Answer:
Ans is 5
Step-by-step explanation:
as there will be 5 clashes and one ballon will be left