Arithmetic Aptitude :: Sets, Relations and Functions
- If A Í B then which of the following are correct?
- If A U B = AU C and A ? B = A ? C, then
- If A = {(x, y) : x2 + y2 = 1; x, y ? R} and B = {(x, y): x2 + y2 = 4; x, y ?R} then
- Let X be the universal set for sets A and B. If n (A) = 200, n (B) = 300 and n (A?B) = 100, then n(A’? B’) is equal to 300 provided n(X) is equal to
- Which of the following does not have a proper subset
- If A = {4n -3n -1: n ? N} and B = {9(n-1): n ? N}, then we have
- Let A = {x: x is a digit in the number 3591}, B = {x: x ? N, x<10}. Which of the following is false?
- Two finite sets have m and n elements. The total number of subsets of the first set is 56 more than the total number of subsets of the second set. The values of m and n are respectively
- Which of the following are true:
- Which of the following sets are null sets: