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Grade 11Algebra

consider a set {1,2,3.....40} what is the maximum number of elements possible in one of its its subset A={x:sum of no two elements in this set is a multiple of 5}
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Profile image of vaishnav
11 Years agoGrade 11
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1 Answer

Profile image of Y RAJYALAKSHMI
11 Years ago
the subset is {1, 2, 5, 6, 7,11, 12, 16, 17, 21, 22, 26, 27, 31, 32, 36, 37}