Sets, Relations and Functions

2 solved problems from JEE previous year papers.

Sets and Relations

Sets A, B With 2 and 4 Elements — Subsets of A×B With 3+ Elements

A has 2 elements, B has 4 elements. Find the number of subsets of A×B having 3 or more elements, using the complement of small…
Sets and Relations

S Is 10 Distinct Primes, A = Products of Two or More Elements, Find n(P)

S is a set of 10 distinct primes and A is the set of products of two or more elements of S. Find n(P) where P={(x,y): x∈S, y∈A, x…