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

Find the number of all one-one functions from set A = {1, 2, 3} to itself.

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

The number of all onto functions from the set {1,2,3,4,….,n} to itself is

If P(S) denotes the set of all subsets of a given set S, then the number of one-to-one functions from the set S= {1,2,3} to the set P(S) is

The total no of bijective functions from set {x,y,z} to set {a,b,c} is

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

If the set A contains 7 elements and the set B contains 10 elements, then the number of one-one functions from A to B is (a) 10C7 (b) 10C7 x 7! (c) 7^(10) (d) 10^7

The total number of ways of selecting two numbers from the set {1,2, 3, 4, ........3n} so that their sum is divisible by 3 is equal to a. (2n^2-n)/2 b. (3n^2-n)/2 c. 2n^2-n d. 3n^2-n

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 :