HCU MCA 2015 Paper

Question : 70 of 75

Marks: +1, -0

How many functions ‘f’ are possible from {1, 2,l 3, 4, 5} {1, 2, 3, 4} such that |Range(f)|=3 ? you may use the fact that number of partitions of {1, 2, 3, 4, 5} into 3 blocks is 25.