Advertisements
Advertisements
Question
Write the cardinal number of the following set:
E = Set of prime numbers between 5 and 15
Solution
E = Set of prime numbers between 5 and 15:
n(E) = 3
APPEARS IN
RELATED QUESTIONS
Write the cardinal number of the following set:
D = Set of letters in the word “PANIPAT”.
Write the cardinal number of the following set:
F = {x : x ∈ Z and – 2 < x ≤ 5}
Write the cardinal number of the following set:
G = {x : x is a perfect square number, x ∈N and x ≤ 30}.
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:
Planets of the Solar system
Fill in the blank:
Every set is a _____ of itself.
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)
If A = {x: x is natural number divisible by 2 and x< 16} and
B = {x:x is a whole number divisible by 3 and x < 18}, find: A ∩ B and 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).
