Advertisements
Advertisements
Question
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n(A)
Solution
n(A) = (3, 5, 7, 9, 11) = 5
APPEARS IN
RELATED QUESTIONS
Which set of numbers could be the universal set for the set given below?
- P = set of integers which are multiples of 4.
- T = set of all even square numbers.
Given the universal set = {-7,-3, -1, 0, 5, 6, 8, 9}, find: A = {x : x < 2}
Given the universal set = {x : x ∈ N and x < 20}, find:
B = {y : y = 2n + 3, n ∈ N}
Given universal set = {x ∈ Z : -6 < x ≤6}.
N = {n : n is non-negative number}
Find: N'
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: A - B
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: A∪B and n(A∪B)
If P = {x : x is a factor of 12} and Q = {x: x is a factor of 16}, find : n(P)
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).
