Forum

Sets

If A and B are two sets such that A ⊂ B, then what is A ∪ B?

27/10/2024

Mathematics

11th (Science)

Sets

Let A = { a, b }, B = {a, b, c}. Is A ⊂ B ? What is A ∪ B ?

27/10/2024

Mathematics

11th (Science)

Sets

Find the union of each of the following pairs of sets :
(i) X = {1, 3, 5} Y = {1, 2, 3}
(ii) A = [ a, e, i, o, u} B = {a, b, c}
(iii) A = {x : x is a natural number and multiple of 3}
B = {x : x is a natural number less than 6}
(iv) A = {x : x is a natural number and 1 < x ≤6 } B = {x : x is a natural number and 6 < x < 10 } (v) A = {1, 2, 3}, B = φ

27/10/2024

Mathematics

11th (Science)

Sets

Let V = { a, e, i, o, u } and
B = { a, i, k, u}. Find V – B and B – V

27/10/2024

Mathematics

11th (Science)

Sets

Let A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find A – B and B – A

27/10/2024

Mathematics

11th (Science)

Sets

Consider the sets A and B of Example 12. Find A ∩ B.

27/10/2024

Mathematics

11th (Science)

Sets

Let X = {Ram, Geeta, Akbar} be the set of students of Class XI, who are
in school hockey team. Let Y = {Geeta, David, Ashok} be the set of students from
Class XI who are in the school football team. Find X ∪ Y and interpret the set.

27/10/2024

Mathematics

11th (Science)

Sets

Let A = { a, e, i, o, u } and B = { a, i, u }. Show that A ∪ B = A

27/10/2024

Mathematics

11th (Science)

Sets

Let A = { 2, 4, 6, 8} and B = { 6, 8, 10, 12}. Find A ∪ B

27/10/2024

Mathematics

11th (Science)

Sets

Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8}, which of the
following may be considered as universal set (s) for all the three sets A, B and C
(i) {0, 1, 2, 3, 4, 5, 6}
(ii) φ
(iii) {0,1,2,3,4,5,6,7,8,9,10}
(iv) {1,2,3,4,5,6,7,8}

27/10/2024

Mathematics

11th (Science)