Question

In the adjoin figure XY // MN, angle XPQ = 68 degree, angle PRN = 100 degree find angle QP​

Answer 1

$\huge\mathtt\pink{Answer}$

Given, A = {1,2} and B = {3,4}.

Number of elements in set A = n(A)=2

Number of elements in set B = n(B)=2

Number of relations from A to B = 2

n(A)×n(B)

=2

2×2

=2

4

=16