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suneja

  • 2 years ago

there are 6 stores in town that had a total of 20 visitors on a particular day. However only 10 people went shopping that day; some people visited more than one store. If 6 people visited exactly two stores each and everyone visited at least one store, what is largest no of stores anyone could have visited. a)6 b)8 c)5 d)9 e)2

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  1. suneja
    • 2 years ago
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    ans to tis is 5 cud any one tell me how

  2. phi
    • 2 years ago
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    there were 10 people who made 20 visits 6 of the 10 people visited exactly 2 stores. That means they made 2*6=12 visits that leaves 4 people who made 8 visits ( 10-6 people and 20-12 visits) everyone visited at least 1 store. that uses up 4 visits we have 4 visits unaccounted for. If the same person made these visits (along with the 1 we just counted), that would be 5 visits maximum.

  3. suneja
    • 2 years ago
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    thanks

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