NCERT/Class 11/Mathematics/Sets

Sets

Class 11 · Mathematics

111 questions35 easy49 medium27 hard

Sample Questions

Q1.If A = {3, 6, 9, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16}, then A − B is:

  • A{3, 6, 9, 15, 18, 21}
  • B{4, 8, 16, 20}
  • C{12}
  • D{3, 9, 15, 18, 21}

Q2.The number of elements in the power set of {a, b, c, d} is:

  • A4
  • B8
  • C16
  • D12

Q3.The empty set is denoted by:

  • A{0}
  • B{ }
  • C{φ}
  • D0

Q4.The set of letters forming the word 'SCHOOL' is:

  • A{S, C, H, O, O, L}
  • B{S, C, H, O, L}
  • C{S, C, H, L}
  • D{S, C, H, O, O, L, L}

Q5.U' equals:

  • AU
  • BA
  • Cφ
  • DA'

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Complement of a setDe Morgan's lawsDefinition of a setDifference of setsDisjoint setsEmpty setEqual setsFinite and infinite setsIntersection of setsIntervals as subsets of RPower setProper subsetsProperties of set operationsRoster formSet-builder formSingleton setStandard number sets (N, Z, Q, R)SubsetsUnion of setsUniversal setVenn diagrams

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