Equal Sets

Q. Difference between equal set and subset when A is subset of B and C has elements equal and same as set B

Q. If n(A) = 2 and n(B) = 3 then number of functions from A to B is_____

1. 3
2. 9
3. 8
4. 6

Q.

Express the following into Hindu-Arabic system:

$\mathrm{CDXLIX}$

Q.

If A = set of letters of the word BOOK and B = {O, B, K}, then

1. A and B are disjoint

2. None of the above

3. A and B are equal sets

4. A U B = 0

Q. If n(A) = 2 and n(B) = 6 then number of functions from A to B is _____

1. 64
2. 12
3. 6
4. 36