The number of one-one functions from A to B where A={1,2,3 ,4} and B={1, 2 ,3 ,4, 5, 6} such that `f(i)!=i` is

Write total number of one-one functions from set A={1,\ 2,\ 3,\ 4} to set B={a ,\ b ,\ c} .

If u_r denotes the number of one-one functions from (x_1,x_2,…………..x_r) to (y_1,y_2,………,y_r) such that f(x_i)!=y_i, for i= 1,2,3,………r then t_4= (A) 9 (B) 44 (C) 265 (D) none of these

The number of increasing function from f : AtoB where A in {a_(1),a_(2),a_(3),a_(4),a_(5),a_(6)} , B in {1,2,3,….,9} such that a_(i+1) gt a_(i) AA I in N and a_(i) ne i is

Given a function f:AtoB, where A={1,2,3,4,5} and B={6,7,8} Find number of all such functions y=f(x) which are one-one?

Given a function f:AtoB, where A={1,2,3,4,5} and B={6,7,8} Find number of all such functions y=f(x) which are one-one?

If A={1,2,3} and B={2,3,4} , find which of the following are the functions from A to B? (i) f={(1,2),(2,3),(3,4)} (ii) g={(1,2),(1,3),(2,3),(3,4)} (iii) h={(1,3),(2,4)}

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 ?

If n(A)=3 and n(B)=4 , then no. of of one-one function from A to B is :

If A=[{:(2,-1,3),(4,5,-6):}] and B=[{:(1,2),(3,4),(5,-6):}] then

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