Advertisements
Advertisements
Question
If P = {x : x is a factor of 12} and Q = {x: x is a factor of 16}, find : n(Q).
Advertisements
Solution
n(Q) = Factors of 16 are = 1. 2, 4, 8, 16
∴ n(Q) = 5
APPEARS IN
RELATED QUESTIONS
Which set can be the universal set?
- P is the set of all residents in Pune.
- M is the set of all residents in Madhya Pradesh.
- I is the set of all residents in Indore.
- B is the set of all residents in India.
- H is the set of all residents in Maharashtra.
Which set of numbers could be the universal set for the set given below?
- A = set of multiples of 5.
- B = set of multiples of 7.
- C = set of multiples of 12.
Let all the students of a class is an Universal set. Let set A be the students who secure 50% or more marks in Maths. Then write the complement of set A.
Given the universal set = {x : x ∈ N and x < 20}, find :
A = {x : x = 3p ; p ∈ N}
Given the universal set = {x : x ∈ N and x < 20}, find:
B = {y : y = 2n + 3, n ∈ N}
For the universal set {4, 5, 6, 7, 8, 9, 10, 11,12,13} ; find the subset of A = {even numbers}.
Also, find a complement of A.
For the universal set {4, 5, 6, 7, 8, 9, 10, 11,12,13} ; find the subset of D = {even numbers less than 10}.
Also, find a complement of D.
If A = {4, 5, 6, 7, 8} and B = {6, 8, 10, 12}, find: A - B
If A = {4, 5, 6, 7, 8} and B = {6, 8, 10, 12}, find: B - A
If P = {x : x is a factor of 12} and Q = {x: x is a factor of 16}, find : Q – P and n(Q – P).
