# Book 1 Chapter No 1 Sets, Functions and Groups

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## Book 1: Chapter No 2

Sets, Functions and Groups

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Question 1 |

The element of the set of natural numbers are

A | all possitive |

B | all negative |

C | positive and negative |

D | non- Negative |

Question 2 |

The set having no element is said to be

A | power set |

B | subset |

C | empty set |

D | proper set |

Question 3 |

The set having only one element is called

A | empty set |

B | singleton set |

C | power set |

D | subset |

Question 4 |

A set is a collection of distinct objects which are

A | not defined |

B | well defined |

C | Identical |

D | similar |

Question 5 |

THe set of natural number between 3 and 7 are

A | infinate set |

B | finite set |

C | {4,5,6} |

D | {3,7} |

Question 6 |

The set of rational Number Between 3 and 7 is

A | Finite set |

B | Infinite set |

C | {3,4,5,6} |

D | {4,5,6} |

Question 7 |

The set of Collection of Objects which are

A | non defined |

B | identical |

C | well defined |

D | well defined and distinct |

Question 8 |

Under Which codition on A and B is the Following statement true? AUB=A

A | A=B |

B | B is subset of A |

C | A is Subset of B |

D | A is not equal to B |

Question 9 |

Under What condition on A and B is the following Statement true? AUB=B

A | A IsEqual to B |

B | B is a Subset of A |

C | A is a Subset of B |

D | A not Equal to B |

Question 10 |

Under What Condition on A and B is the Following statement True? A-B=A

A | A=Infinity |

B | B=Infinity |

C | A=B |

D | A is not equal to B |

Question 11 |

Under what condition on A and B is the following statement true? AnB= B

A | A=B |

B | A is a Subset of B |

C | B is a subset if B |

D | Both (A) and (C) . |

Question 12 |

Under what condition on A and B is the following statement true? N(AUB) = n(A) + n(B)

A | AUB=A |

B | AnB=A |

C | AnB=Infinity |

D | A=B |

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