Home
Class 12
MATHS
Let n(P) = 4 and n(Q) = 5. The number of...

Let n(P) = 4 and n(Q) = 5. The number of all possible injections from P to Q is :

A

9

B

20

C

24

D

30

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Let n(A) = n, then the number of all relations on A, is

Let n(A)=5 and n(B)=3 then find the number of injective functions and onto functions from A to B

Consider the nine digit number n = 7 3 alpha 4 9 6 1 beta 0. If q is the number of all possible values of beta for which the given number is divisible by 8, then q is equal to

Consider the nine digit number n = 7 3 alpha 4 9 6 1 beta 0. If p is th number of all possible distinct values of (alpha-beta) , then P is equal to

Let p,qin N and q gt p , the number of solutions of the equation q|sin theta |=p|cos theta| in the interval [0,2pi] is

A is a set containing n elements. A subset P of A is chosen. The set A is reconstructed by replacing the elements of P. A subset Q of A is again chosen, the number of ways of choosing so that (P cup Q) is a proper subset of A, is

Consider a number n=21 P 5 3 Q 4. The number of values of Q so that the number 'N' is divisible by 8, is

Let A={p , q , r , s}\ a n d\ B={1,2,3}dot Which of the following relations from A to B is not function? (i) R_(1) = {(p, 1), (q, 2), (r, 1), (s, 2)} (ii) R_(2) = {(p, 1), (q, 2), (r, 1), (s, 1)} (iii) R_(3) = {(p, 1), (q, 2), (r, 2), (r, 2)} (iv) R_(4) = {(p, 2), (q, 3), (r, 2), (s, 2)}

Consider a number N=21 P 5 3 Q 4. The number of ordered pairs (P,Q) so that the number' N' is divisible by 9, is

Consider a number N = 2 1 P 5 3 Q 4. The number of ordered pairs (P,Q) so that the number 'N' is divisible by 44, is