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

**Solution:**

If A and B are two sets such that A ⊂ B, it means B consists all the elements of A.

Thus, A υ B = B

NCERT Solutions Class 11 Maths Chapter 1 Exercise 1.4 Question 3

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

**Summary:**

If A and B are two sets such that A ⊂ B, then A ∪ B = B