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Mathematics
1. A line has slope m and y intercept 4 . distance between the origin and the line is
a) 4 b) 4 c) 4 d) 4m e) 4m
√1-m2 √m2-1 √1+m2 √1+m2 √m2 -1
2. One side of length 3a of a triangle of area a2 square units lies on the line x=a
then one of the line on which the third vertex lies is
a) x = - a2 b) x = a2 c) x= - a d) x= a/3 e) x= - a/3
3. Distance of the point (1,2) from the line x+y+5=0 measured along the line parallel
to 3x-y=7 is equal to a) 4√10 b) 40 c) √40 d) 10√2 e) 2√20
4. Area of triangle formed by the lines y=2x, y=3x and y=5 is equal to
a)25/6 b)25/12 c)5/6 d)30/91 e)25/37
5. Triangle ABC has vertices (0,0)(11,60)and (91,0) if the line y=kx cuts the triangle
into two triangles of equal area, then k is equal to
a) 30/51 b) 4/7 c) 7/4 d) 30/91 e) 25/37
6. If the lines y=3x+1 and 2y= x+3 are equally inclined to the line y=mx+4,
(1/2 <m<3), then the values of m are
a) (1 ) b) (1 ) c) (1 )
d) (1 ) e) (1 )
7. The vertices of a triangle are (3,0),(3,3) and (0,3). Then the coordinates of the
circumcentre are
a) (0,0) b) (1,1) c) d)( ) e) ( )
2 2
8. Area of the equilateral triangle inscribed in the circle x + y ─7x+9y+5=0 is
a) square units b) square units
c) square units d) square units
e) square units
9. The equation of one of the diameters of the circle x2+y2─6x+2y=0 is
a) x+y=0 b) x─y=0 c)3x+y=0 d)x+3y=0 e)x+2y=0
3
10. If the chords having lengths a ─1 and 3(a+1), where a is a constant of a circle
bisect each other, then the radius of the circle is
a) 6 b) c) 8 d) e) 10
11. The equation of the parabola whose focus (3,2) and vertex (1,2), is
a) X2+4x─8y+12=0 b) X2─4x─8y+12=0 c) y2─8x─4y+12=0
. . . d) y2+4y─8x+12=0 e) y2─8x─2y─17=0
ANSWER KEY
1. c 9. d
2. d 10. b
3. c 11. c
4. b 12.
5. a 13.
6. c 14.
7. e 15.
8. d