If R= {(x, 2x)} and S= {(x, 4x)} then R composition S=____.

Related MCQs

• Let R and S be two relations on a set of positive integers I. If R = {(a, 3a+a)},S = {(a,a+a)} then R composition R composition R = __________.
• Let R={(1,b),(3,d),(2,b)} and S={(b,4),(2,5),(d,a)} be a relation then R composition S=____.
• If R= {(x, 2x)} and S= {(x, 5x)} then R composition S=____.
• The composition of function is associative but not _______.
• Let the statement be “If n is not an odd integer then square of n is not odd.”, then if P(n) is “n is an not an odd integer” and Q(n) is “(square of n) is not odd.” For direct proof we should prove                    
• Let X and Y be the sets of all positive divisors of 400 and 1000 respectively (including 1 and the number). Then, n (X ÇY) is equal to
• If (∼ p → r) ˄ (p ↔ q) is T and r is F, then truth values of p and q are:
• Let p denote the statement: “I finish my homework before dinner”, q: “It rains” and r: “I will go for a walk”, the representative of the following statement: if I finish my homework before dinner and it does not rain, then I will go for walk is
• Two finite sets A and B have m and n elements respectively. If the total number of subsets of A is 112 more than the total number of subsets of B, then the value of m is
• Suppose that P(n) is a propositional function. Determine for which positive integers n the statement P(n) must be true if: P(1) and P(2) is true; for all positive integers n, if P(n) and P(n+1) is true then P(n+2) is true.