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CBSE MATHS NEW PATTERN DISCUSSION ABOUT MATHS

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CLASS 11 TH IMPORTANT QUESTIONS PART-1 BY-ANSHU SIR

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,...
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