Mathematics, 04.08.2021 16:50 jasminbeganovic141

In a colony, there are 55 members. Every member posts a greeting card to all the members. How many greeting cards were posted by them?

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In a colony, there are 55 members. Every member posts a greeting card to all the members. How many...

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In a colony, there are 55 members. Every member posts a greeting card to all the members. How many greeting cards were posted by them?​

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Another question on Mathematics

In a colony, there are 55 members. Every member posts a greeting card to all the members. How many greeting cards were posted by them?