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प्रश्न
Write the cardinal number of the following set:
D = Set of letters in the word “PANIPAT”.
उत्तर
D = Set of letters in the word “PANIPAT”:
n(D) = 5
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संबंधित प्रश्न
Write the cardinal number of the following set:
C = {x : x ∈ N and x ≤ 7}
The set, given below, state whether it is finite set, infinite set or the null set:
A = {x : x is an integer between 1 and 2}
The set, given below, state whether it is finite set, infinite set or the null set:
Set of mountains in the world.
The set, given below, state whether it is finite set, infinite set or the null set:
{multiples of 8}.
The set, given below, state whether it is finite set, infinite set or the null set:
{squares of natural numbers}.
The set, given below, state whether it is finite set, infinite set or the null set:
C = {x | x is a prime number between 7 and 10}
Fill in the blank:
The empty set is a ____ of every set.
Let A and B be two sets such that n(A) = 45, n(B) = 38 and n(A ∪B) = 70, find: n (A ∩ B).
Let A and B be two sets such that n(A) = 45, n(B) = 38 and n(A ∪B) = 70, find: n(A - B).
Let n(A) 30, n(B) = 27 and n(A∪B) = 45, find: n(A ∪B)
