28.The distance between the origin and the point (-5,12) is
A.5 B.12 C.7 D.13 E.17
- △ABC has vertices A(0,7), B(5,-5) and C(10,7). The area of △ABC is
A.50 B.60 C.80 D.120 E.140
30.△ABC is an isosceles right triangle with ∠B=90°. If A(3,-2),B(2,-1), then AC=…
A. √2 B.1 C.2 D.3 E.4 - What is the perimeter of a triangle with vertices at the points (1,4),(1,7) and (4,4)?
A. 3+√2 B.3√2 C.6 D.6+3√2 E.9+3√2
32.The point on the X-axis which is equidistance from (4,4) and (5,3) is
A. (0,0) B.(-1,0) C.(2,0) D.(1,0) E.(3,0) - The slope of the equation 2x-y=7 is
A. -2 B.2 C.-7 D.7 E.-7/2
34.Which of the following statement(s) is (are) true?
1.The line 2x=3 is parallel to Y-axis.
A.{3,6,9,12} B{2,3,4,5,6,7,8,9,10,11} C.{6,9,12} D.{3,6,9,12,15} E.{3,6,9}
14.If A≠B, which of the following is true?
A. A∩B=B∩A B.A∪B=B∪A C.A∪A=A D.B∩B=B
E.A\B=B\A
15.If S={1,2,3,4,5,6,7} is the universal set ,P={1,2,3,4} and Q´={1,2,7}, then P∩Q=…..
A. {1,2,3} B.{3,4} C.{3} D.{4} E.∅
16.If P∪Q={x,y,z,u,v},P∩Q={z,u} ,P\Q={x,v} then Q\P=…….
A.{y,z,u} B. {y} C.{x,u,v} D. ∅ E. None of these
17.Given E={2,4} ,F={4,6,8,x} The value of x such that E\F=∅
A.0 B.2 C.4 D.6 E.8
18.Let n(P) denotes the number of elements in set P. Given that n(P)=7 and n(Q)=3
the largest possible value of n(P∩Q) is
A.10 B.9 C.7 D.4 E.3