Question

If A = {1,10,15,17} and B = {1,5,7,8} then which of the following is the correct statement about A and B?

(a) “A” and “B” are equal sets

(b) “A” and “B” are equivalent sets

(c) “A” and “B” are empty sets

(d) “A” and “B” are infinite sets

The question was posed to me in unit test.

I'd like to ask this question from Equal Sets topic in portion Sets of Mathematics – Class 11

Answer 1

The correct choice is (b) “A” and “B” are equivalent sets

To elaborate: Two sets are equal if each element in A is in B and vice versa. If a number of elements in both sets are the same then they are equivalent sets.