1.
Let A={1,3,7,9,11}A = \{1, 3, 7, 9, 11\} and B={2,4,5,7,8,10,12}B = \{2, 4, 5, 7, 8, 10, 12\}. Then the total number of one-one maps f:ABf: A \to B, such that f(1)+f(3)=14f(1) + f(3) = 14, is: