ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Mathematics Sets Functions and Groups 1

Question:
A⊆B means

Option A):
A is a subset of B
Option B):
A is equivalent to B
Option C):
A is equal to B
Option D):
A is a superset of B

Correct Answer is Option A):
A is a subset of B