Home
Class 12
MATHS
If A and B are two disjoint sets then n(...

If A and B are two disjoint sets then `n(A cupB)=`

A

`n(A)+n(B)`

B

`n(A)-n(B)`

C

0

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SET THEORY

    CHHAYA PUBLICATION|Exercise Very short answer type questions|33 Videos

  • SET THEORY

    CHHAYA PUBLICATION|Exercise Short answer type questions|53 Videos

  • SET THEORY

    CHHAYA PUBLICATION|Exercise Assertion-Reason Type|2 Videos

  • SEQUENCE AND SERIES

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (Assertion-Reason Type)|2 Videos

  • SIGNIFICANCE OF DERIVATIVE AS RATE OF CHANGE

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTIONS FOR COMPETITVE EXAMINATION|20 Videos

Similar Questions

Explore conceptually related problems

If A and B are disjoint sets,then

If A and B are two sets then ( A-B) cup (B-A) cup (A cap B) is equal to

If A and B are two finite sets and n(A)=5,n(B)=6 then the minimum number of elements of the set A cup B is

If A and B are two sets then A cap (A cap B) equals

If A and B are two finite sets, then which of the following is correct ?

If A and B are two sets such that n(A)=70,n(B)=60 and n(A cupB)=110," then "n(AcapB)=5K . What will be the value of K?

If A and B are two sets such that n(A) = 27, n(B) = 35 and n(A cup B) = 50 , then n (A cap B) =

If A and B are two non-empty sets having n elements in common , then show that A xx B and B xx A have n^2 elements in common.

Let A and B be two non empty subsets of set X such that A is not a subset of B, then: (a) A is a subset of complement of B (b) B is a subset of A (c) A and B are disjoint sets (d) A and complement of B are non-disjoint sets

A and B are two sets, such that n(A) = 30. n(B)= 25 and n(AcupB)=40 .calculate n(AcapB)