Advertisements
Advertisements
Question
If P = {x : x is a factor of 12} and Q = {x: x is a factor of 16}, find : n(P)
Solution
n(P) = Factors of 12 are
= 1, 2, 3, 4, 6, 12
∴ n(P) = 6
APPEARS IN
RELATED QUESTIONS
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.
Given the universal set = {x : x ∈ N and x < 20}, find:
C = {x : x is divisible by 4}
Given, universal set = {x : ∈ N, 10 ≤ x ≤ 35}.
B = {x : x > 29} Find: B'.
Given A = {x : x ∈ N and 3 < x ~ 6} and 8 = {x : x ∈ W and x < 4}. Find: A ∩ B.
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 A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n(A)
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n (B)