Advertisements
Advertisements
प्रश्न
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)
उत्तर
A = {x : x is natural number divisible-by 2 and x < 16}
A = {2, 4, 6, 8, 10, 12, 14}
n (A) = 7
APPEARS IN
संबंधित प्रश्न
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:
{natural numbers more than 100}
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.
Fill in the blank:
If each element of set P is also an element of set Q, then P is said to be _____ of Q and Q is said to be of P.
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(B).
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).
Let n(A) 30, n(B) = 27 and n(A∪B) = 45, find: n(A - B).
