If x ={Non-prime numbers } and Y= {Non composite numbers },then `n(x cap Y)`_______.

If A = { Prime numbers } , B = {Even numbers}, then n(A cap B) =

Given, universal set = {x in Z: -6 lt x le 6} , N={n:n is a non-negative number} and P={x:x ia a non-positive number}. Find: (i) N', (ii) P'

If x is prime, y is a composite number such that x+y=240 and their LCM is 4199. Find x\ a n d\ ydot

If x is prime, y is a composite number such that x+y=240 and their LCM is 4199. Find x\ a n d\ ydot

If A = {x,y,z} then the number of non-empty subsets of A is

If x, y in R then x+iy is a non-real complex number, if

If A = {x : x is a natural number}, B = {x : x is an even natural number}, C = {x : x is an odd natural number} and D = {x : x is a prime number}, Find : A cap B A cap C B cap D C cap D .