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2. If the set X={prime numbers less than 13} and set Y={odd numbers less than 13}, find X ∩ Y
3. If set G={prime factors of 24} and set H={prime factors of 35}, find G ∩ H
4. If set G={prime factors of 24}, set H={prime factors of 35} and set F={odd numbers less than 10}, find F ∩ (G U H).
5. Given that n(P)=15 , n(P ∩ Q)=5 and n(P U Q)=35. Find n(Q).
6. If P = {2,3,5,7} and Q = {2,4,6,8}, find P ∩ Q.
7. If A ={18,19,20} and B = {15,16,17}, find A ∩ B.
8. Given that A = {1,2,3,4,5,6} and B = {3,6,9,12}, find A U B.
9. M = {1,2,3,4,5,…,20}, Q = {3,4,5,6,7,8} and R = {2,3,5,7}. If Q and R are subsets of M, find Q ∩ R.
10. M = {g,o,q,s} and W = {h,p,r,t}. Find M U W.