IF `A subset B`, n(A)=12 and n(B)=20, then the value of n(B-A) is

A

32

B

-8

C

8

D

-32

Verified by Experts

Similar Questions

Explore conceptually related problems

IF A subsetB , n(A)=4 and n(B)=6, then n(A cup B)=

If A sube B, n(A) = 25, n(B) = 35," then " n (A cap B) =

If A, B are two sets such that n(A) = 15, n(B) = 20, then the number of injections from A into B is

If n(A)=12 and n( A cap B )=5, then findn(A-B)=……..

If A , B are two sets such that n(A)=100, n(B)=150 , then the number of bijections from A onto B is

If n(A xx B) =15 , n (A)=3 then n(B)=

If (a^(n) + b^(n))/(a^(n-1) + b^(n-1)) is the A.M. between a and b then the value of n is

If H_(1), H_(2), ….. H_(n) are n harmonic means between a and b ( ne a), then the value of (H_(1) + a)/(H_(1) - a) + (H_(n) + b)/(H_(n) - b)

Let A,B are two sets such that n(A)=5,n(B)=7 then the maximum number of elements is A cup B is

If A, B are two sets such that n(A) = 100, n(B) = 150, then the number of bijections from A onto B is