Advertisements
Advertisements
प्रश्न
Write the cardinal number of the following set:
G = {x : x is a perfect square number, x ∈N and x ≤ 30}.
उत्तर
G = {x : x is a perfect square number, x ∈N and x ≤ 30}:
n(G) = 5
APPEARS IN
संबंधित प्रश्न
Write the cardinal number of the following set:
A = Set of days in a leap year.
Write the cardinal number of the following set:
B = Set of numbers on a clock-face.
Write the cardinal number of the following set:
D = Set of letters in the word “PANIPAT”.
The set, given below, state whether it is finite set, infinite set or the null set:
B = {x : x ∈ W ; x is less than 100}.
Fill in the blank:
If A is a proper subset of B, then n (A) _____ n (B).
M = {x : x is a natural number between 0 and 8) and N = {x : x is a natural number from 5 to 10}. Find: N – M and n (N – M)
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).
Let n(A) 30, n(B) = 27 and n(A∪B) = 45, find: n(B - A).
Let n(A) 30, n(B) = 27 and n(A∪B) = 45, find: n(A ∪B)