Question

Let n(A) = 4 and n(B) = 6. Then the number of one-one functions from A to B is 

Solution

Correct option is

360

can be chosen as any one of 

for 

functions from to B.

One-one functions from A to is 

SIMILAR QUESTIONS

Q1

The period of the function (x) = cosec3x + cot 4x is

Q2

Which of the following sets of ordered pairs define a one to one function?

Q4

If  (x) is a polynomial satisfying (x). (1/x) = (x) + (1/x), and (3) = 28, then f (4) is given by

 

Q5

Let the function f (x) =  

satisfying 

 

Q6

Let 

Q7

Let  be a real valued function such that for any real

some k, > 0. Then

Q8

Let a function  

 

Q9

 

equals

Q10

The domain of definition of