Arithmetic Aptitude :: Sets, Relations and Functions
- Let R be a relation N define by x + 2y = 8 . The domain of R is
- If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime number less than 10}, then which of the following is false:
- If for two sets A and B, A U B = A? B = A, then we have
- A survey shows that 63% of the Americans like cheese whereas 76% like apples. If x% of the Americans like both cheese and apples, then we have
- If aN = {an : n ? N} and bN ? cN = dN, where a, b, c ? N and b, c are coprime, then
- If A = {1, 2, 3, 6, 11,18, 21}, B = {5, 7, 9} and N is the universal set, then A’ U ((AU B) ? B’) is equal to
- Which of the following is not correct?
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