Let X and Y be the sets of all positive divisions of400 and 1000 respectively (including 1 and the number). Then `n(X cap Y)` is T, then `(T)/(4)` is-

Let X and Y be the sets of all positive divisors of 400 and 1000 respectively (including 1 and the number), Then , n(X nnY)=

Let X and Y be the sets of all positive divisors of 400 and 1000 respectively (including 1 and the number), Then , n(X nnY)=

Let X and Y be the sets of all positie divisiors of 400 and 1000 respectively (including 1 and the number). Then n(X capY) is equal to :

Let X and Y be sets containing m and n elements respectively.What is the total number of functions from X to Y.

Let S be the set of integers which are divisible by 5, and let T be the set of integer which are divisible by 7. Find the number of positive integers less than 1000 and not in (S uu T) .

Suppose X and Y are two sets Prove that n (X cup Y) = n (X) +n(Y)-n (X cap Y)

Let Z be the set of all integers and A={(x,y);x^(4)-y^(4)=175,x,y in Z},B={(,),x>y,x,y in Z} Then,the number of elements in A nn B is