Advertisements
Advertisements
प्रश्न
Given, universal set = {x : ∈ N, 10 ≤ x ≤ 35}.
B = {x : x > 29} Find: B'.
Advertisements
उत्तर
Universal set = {x : x ∈ N, 10 ≤ x ≤ 35}
= {10, 11, 12, 13, 14, 15,....,34, 35}
B = {x : x > 29}
= {30, 31, 32, 33, 34, 35}
B' = {10, 11, 12, 13, 14, 15,.....,29}
= {x : x ≤ 29}
APPEARS IN
संबंधित प्रश्न
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, universal set = {x : x ∈ N, 10 ≤ x ≤ 35}.
A = {x ∈ N : x ≤ 16} Find: A'
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 C = {prime numbers}.
Also, find a complement of C.
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n(B)
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: A∪B and n(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 : Q – P and n(Q – P).
