Q1 of 162 Page 1

If A and B are two sets such that A ⊂ B, then Find:

A ∩ B

A ∩ B means A intersection B. Common elements of A and B come in this group.


Given A ⊂ B


i.e. B is having all elements that is present in A.


∴ A ∩ B = A.


More from this chapter

All 162 →
14

How many elements have P (A), if A= ϕ?

 15

What universal set (s) would you propose for each of the following:

(i) The set of right triangles.


(ii) The set of isosceles triangles

 1

If A and B are two sets such that A ⊂ B, then Find:

A ∪ B

 2

If A = {1, 2, 3, 4, 5}, B = {4, 5, 6, 7, 8}, C = {7, 8, 9, 10, 11} and D = {10, 11, 12, 13 , 14}. Find:

i. A ∪ B


ii. A ∪ C


iii. B ∪ C


iv. B ∪ D


v. A ∪ B ∪ C


vi. A ∪ B ∪ D


vii. B ∪ C ∪ D


viii. A ∩ (B ∪ C)


ix. (A ∩ B) ∩ (B ∩ C)


x. (A ∪ D) ∩ (B ∪ C).