Find the number of Subsets in A X B with at least 3 Elements IIT JEE

Prove Concepts of Set Theory:    • Intersection of the Complements is Equal t...   Best Videos on Combination:    • Combinatorics Introduction Multiplicative ...   #Venndiagrams_applications #Permutation_combination_made_simple #datamanagement_IBSL #Probability_Statistics #anilkumarmath #globalmathinstitute #permutationandcombination #permutation_combination #combinatorics #combinations #permutations #Probability #AnilKumar    / @mathematicstutor   Anil Kumar Classes: email: anil.anilkhandelwal@gmail.com Q1. Set A has 3 elements. Find the number of sub-sets of A. A 3 B 6 C 8 D 9 Q2. Set B has 4 elements. Find the number of sub-sets of B each having at-least two elements. A 16 B 14 C 11 D 10 Q3. Let A and B be two sets containing four and two elements respectively. Then the number of subsets of A X B, each having at least three elements is A 219 B 256 C 275 D 510