Let `E={1,2,3,4,} and F={1,2}.` Then the number of onto functions from E to F, is ______.

Let E={1,2,3,4}a n dF={1,2}dot If N is the number of onto functions from EtoF , then the value of N//2 is

Let E={1,2,3,4}a n dF={1,2}dot If N is the number of onto functions from EtoF , then the value of N//2 is

The total number of onto functions from the set {1,2,3,4) to the set (3,4,7) is

Let A={1,\ 2,\ 3,\ 4} and B={a ,\ b} be two sets. Write total number of onto functions from A to B .

Let A={1,2,3,4,5} and B={-2,-1,0,1,2,3,4,5}. Onto functions from A to A such that f(i) ne i for all i , is

Let A={1,2,3,4}and B={0,1,2,3,4,5}. If 'm' is the number of strictly increasing function f, f : A to B and n is the number of onto functions g: B to A. Then the last digit of n-m is.

Let A={1,2,3,4,5}, B={1,2,3,4} and f:A rarr B is a function, then

Let A={1,2,3},B=4,5,6,7} and let f={(1,4),(2,5),(3,6)} be a function from A to B. Show that f is one - one but not onto.

Let A = {1, 2, 3}, B = {a, b, c}, C {a_(1), b_(1), c_(1), d_(1), e_(1)} and consider the following statements. S_(1) : The number of one-one functions from A to C is 60. S_(2) : The number of onto functions from C to A is 150 S_(3) : The number of onto functions from B to C is 0 S_(4) : The number of objective functions from A to B is 6 Which of the following combination is true ?

Let A={1,2,3},\ B={4,5,6,7} and let f={(1,4),\ (2,5),\ (3,6)} be a function from A to B . State whether f is one-one or not.