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प्रश्न
Write the cardinal number of the following set:
B = Set of numbers on a clock-face.
उत्तर
B = Set of numbers on a clock-face.
n(B) = 12
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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:
{natural numbers more than 100}
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}.
The set, given below, state whether it is finite set, infinite set or the null set:
{even numbers not divisible by 2}
The set, given below, state whether it is finite set, infinite set or the null set:
{coins used in India}
Fill in the blank:
The empty set is a ____ of every set.
M = {x : x is a natural number between 0 and 8) and N = {x : x is a natural number from 5 to 10}. Find: M – N and n(M – N)
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: n(A)
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) = 75, M(B) = 65 and n(A ∩ B) = 45, find: n(A - B)
