CLASS-11TH MATHEMATICS WEEKLY TEST ON SATURDAY 08/08/2020 CHAPTER- RELATIONS AND FUNCTIONS 1.An ordered pair like (a,b) ,(c,d) ,(e,f) represents a point in a ,,,............... a)plane/2-d b)in a space/3-d c) a and b both d)none 2.Two ordered pairs like (a,b) and (c,d) are equal if and only if : a)a=c and b=d b) a=d and b=c c)a=c and b=\d d)none 3.If the number of elements in a set A is m and the number of elements in the set B is n then total number of elements in AXB is.... a)mxn b) m-n c) m+n d)none 4.what is the total number of subsets in AXB? a)2`mxn b)2`m-n c)2`m+n d)none 5.If A,B,C are finite sets then n(AXBXC) = a)n(A).n(B).n(C) b)n(A)-n(B)xn(C) c)n(A)xn(B)-n(C) d)none 6.Find x and y if (x+3,5)=(6,2x+y) 7.If A={1,2,3} B={a,b} C={4,5,...