Write the Cardinal Number of the Following Set: C = {X : X ∈ N and X ≤ 7} - Mathematics

Write the cardinal number of the following set:

C = {x : x ∈ N and x ≤ 7}

One Line Answer

C = {x : x ∈ N and x ≤ 7}

n(C) = 7

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Concept for Cardinal Property of Sets

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Chapter 13: Set Concepts (Some Simple Divisions by Vedic Method) - Exercise 13 (B)

Chapter 13 Set Concepts (Some Simple Divisions by Vedic Method)
Exercise 13 (B) | Q 1.3

Write the cardinal number of the following set:

A = Set of days in a leap year.

Write the cardinal number of the following set:

E = Set of prime numbers between 5 and 15

Write the cardinal number of the following set:

F = {x : x ∈ Z and – 2 < x ≤ 5}

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:

{coins used in India}

Let A and B be two sets such that n(A) = 75, M(B) = 65 and n(A ∩ B) = 45, find: n(A∪ B)

Let A and B be two sets such that n(A) = 75, M(B) = 65 and n(A ∩ B) = 45, find: n(A - B)

Let A and B be two sets such that n(A) = 75, M(B) = 65 and n(A ∩ B) = 45, find: n(B – A)

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).