Mathematics 10th Class English Medium Unit 5 Online Test With Answers

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Mathematics 10th Class English Medium Unit 5 Online Test

Sr. # Questions Answers Choice
1 A set Q = {a/b} a, b∈ Z ^ b≠ 0} is called a set of. Whole numbers Natural number Irrational numbers Rational numbers
2 If A is subset of U, then (Ac)c= ......... A A<sup>c</sup> U<sup>c</sup> ∅
3 If union and intersection of two sets are equal then sets are..............sets. Disjoint Overlapping Equal Super
4 A and Acare.................................Set. Universal Overlapping Disjoint Super
5 If set A has all its elements common with set B then set A is called...............set. Sub Overlapping Disjoint Super
6 If two sets have some elements common but not all are called......... sets Sub OVERLAPPING Disjoint Super
7 Which of the following is commutative law? A∪ (B ∪ C) = (A∪ B)∪ C A∩ (B∩C)= (A∩B)∩C A∪ B = B ∩ A (A ∪ b)<sup>c</sup> = A<sup>c</sup> ∩ B<sup>c</sup>
8 Which of the following is distributive property intersection over union? A∪ (B ∪ C) = A∪ (B∪ C) A∩ (B∩C)= (A∩B)∩C A∪ (B∩ C) = ( A∪ B)∩ (A∪ C) A∩(B∪ C) = (A∩B)∪(A∩C)
9 Which of the following is distributive property of union over intersection? A∪ (B ∪ C) = A∪ (B∪ C) A∩ (B∩C)= (A∩B)∩C A∪ (B∩ C) = ( A∪ B)∩ (A∪ C) A∩(B∪ C) = (A∩B)∪(A∩C)
10 Which of the following is associative law of Intersection? A∪ (B ∪ C) = (A∪ B)∪ C A∩ (B∩C)= (A∩B)∩C A∪ (B∩ C) = ( A∪ B)∩ (A∪ C) A∩(B∪ C) = (A∩B)∪(A∩C)
11 Which of the following is associative law of union? A∪ (B ∪ C) = (A∪ B)∪ C A∩ (B∩C)= (A∩B)∩C A∪ (B∩ C) = ( A∪ B)∩ (A∪ C) A∩(B∪ C) = (A∩B)∪(A∩C)
12 Which of the following is De-Morgan's law? (A∪ B)∪ C = A∪ ( B∪ C) (A∩B)<sup>C</sup>= A<sup>c</sup>∪ B<sup>c</sup> A∪ (B∩ C) = ( A∪ B)∩ (A∪ C) A∩(B∪ C) = (A∩B)∪(A∩C)
13 If x∈ U and x∉ A, then {x} is equal to .................... U<sup>c</sup> A<sup>c</sup> ∅<sup>c</sup> A - U
14 If x⊆ A and x∉ b, then { x } is equal to............. A - B B - A A∩ B A<sup>c</sup>
15 If x∈ A and x∈ B, then {x} is equal to . A - B A<sup>c</sup> A∩ B B<sup>c</sup>
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