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Store Survey (Posted on 2012-10-16) Difficulty: 1 of 5
A survey was carried out among 100 ladies leaving a departmental store and, it was observed that 77 had black shoes, 83 had a white bag, 62 carried an umbrella and 95 wore a ring.

What is the minimum number of ladies who must have had all the four items?

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionAnother way to think about it (spoiler)Jer2012-10-17 12:33:53
SolutionspoilerAdy TZIDON2012-10-16 10:43:35
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