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ORDER BY `video_id` desc 11th Standard CBSE Mathematics The number of subsets of a set containing n elements is _____. 2n - 2 n2 2n n For any two sets A and B, \(A\cap(A\cup B)=\)_____. B A ф none of these If \(A\cap B=B\) then _____. B⊂A A=ф A⊂B B=ф For any two sets A and B, (A - B) \(\cup\) (B - A)=_____. (A - B) \(\cup\) A (B - A) \(\cup\) B (A \(\cup\) B) - (A \(\cap\) B) (A \(\cup\) B) \(\cap\) (A \(\cap\) B) For any two sets A and B, A \(\cup\) B = A iff _____. A ⊂ B B∈A A=B A\(\ne\)B If A and B are two sets then A \(\cap\) (A \(\cap\) B') =_______. A B A'\(\cap\)B' ф Let U be the universal set containing 700 elements. If A and B are sub-sets of U such that n(A) = 200, n(B) = 300 and n(A \(\cap\) B) = 100, then n(A' \(\cap\) B') =___. 400 500 300 800 If A = {1, 2, 3, 4, 5, 6}then the number of proper sub-sets is _____. 64 36 26 63 Let A = {x : x ∈ R, x ≥ 4}and B = {x : x ∈ R,x < 5}then A \(\cap\) B is _____. {4} {4,5} {5,5} {5,4} If A = {x : x is a multiple of 3} and B = {x : x is a multiple of 5} then A - B is _____. \(A\cap B\) \(A-\bar B\) \(\bar A\cap\bar B\) \(\overline {A\cap B}\)
Sets One Mark Questions
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