The Empty Set MCQ

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• The subset of a null set is the null set itself.
  ক

  True

  খ

  False
• If B is a null set and A is some set then which one of the following is false?
  ক

  B⊆A

  খ

  B∪A=A

  গ

  B∩A=A

  ঘ

  B∩A=B
• Which of the following is an empty set?
  ক

  The set of dogs with six legs

  খ

  The set of books in the library

  গ

  The set of boys in a school

  ঘ

  The set of a square with 4 sides
• The number of elements in a null set is ______________
  ক

  zero

  খ

  one

  গ

  two

  ঘ

  any
• Find the number of points common to parallel lines.
  ক

  Three points

  খ

  One point

  গ

  Two point

  ঘ

  No point