Question

Please tell the correct answer answer and how it is solved​

Answer 1

Answer:

b is the correct answer please mark asbrainlist please

Answer 2

Step-by-step explanation:

since A is a subset of B

=> AnB= A=> n( AnB) = n(A)

=> answer is total numbers of elements of

A ( a numerical value ≠ set A)

=> non of these, is the option.