EnglishRajasthan TGT 2011
Q201.if y 4x 5 = − = − is a tangent to the curve 2 3 y px q = + = + at point (2,3), then
Correct answer: p 2,q 7 = −
EnglishJharkhand TGT 2017
Q202.If the normal to the curve ay2 =x3 (a≠0) at a point on it makes equal intercepts with the co- ordinate axes, then the x co-ordinate of the point is
Correct answer: 4a/9
EnglishJharkhand TGT 2017
Q203.The equation of the normal at 'θ' on the hyperbola 2 2 x y 1 a b is
Correct answer: 2 2 ax by a b sec tan
EnglishJharkhand TGT 2017
Q204.For the focal chord PQ and focus S of the parabola y2 =4ax, if SP=l and SQ=l' then 1 1 ' + = l l
Correct answer: 1/a
EnglishJharkhand TGT 2017
Q205.The condition for a straight line y=mx+c to be a tangent to the ellipse 2 2 x y 1 a b + = + = is
Correct answer: c2 =a2 m2 +b2
EnglishJharkhand TGT 2017
Q206.The equations of the tangents to the hyperbola 3x2 –4y2 =12 which are perpendicular to the line y=x–7 are
Correct answer: x+y=±1
EnglishJharkhand TGT 2017
Q207.The pole of the line x–y+2=0 with respect to the ellipse x2 +2y2 –4x+12y+14=0 is
Correct answer: 6 17, 7 7 −
Q208.The angle between the lines 2x2 –7xy+3y2 =0 is–
Correct answer: 450
Q209.The value of k such that the equation 2 2 2x 2y 6x 8y k 0 represents a point circle, is–
Correct answer: 25/2
Q210.The length of latus rectum of the ellipse 5x2 +9y2 = 45 is–
Correct answer: 10/3
Q211.The two tangents, perpendicular to each other, to the parabola y2 = 4ax intersect on the line–
Correct answer: x + a = 0
EnglishUP TGT-2016 (08-03-2019)
Q212.The curve represented by the equations x = 3 (cost + sint) y = 4 (cost - sint) is
Correct answer: An ellipse
EnglishUP TGT-2016 (08-03-2019)
Q213.If the straight line xcos ysin p, α + α = α + α = α + α = α + α = is tangent to the ellipse 2 2 x y 1 a b + = + = then
Correct answer: p2 = a2 cos2 α + b2 sin2 α
EnglishUP TGT-2016 (08-03-2019)
Q214.The equation of a normal to the parabola y2 = 4x which passes through the point (6, 0) is
Correct answer: y+2x=12
EnglishUP TGT-2016 (08-03-2019)
Q215.The length of the common chord of two circles of radii 15cm and 20cm, whose centres are 25cm apart, is (in cm)
Correct answer: 24
EnglishUP TGT-2016 (08-03-2019)
Q216.The eccentricity of the ellipse, whose latusrectum is one-half of its minor axis is
Correct answer: 3/2
EnglishKVS PGT 23-12-2018
Q217.The area (in square units) of the triangle formed by the two ends of a latus rectum and a focus of the ellipse 2 2 x y 1 16 4 + = + =, is:
Correct answer: 2 3
EnglishKVS PGT 23-12-2018
Q218.The curve for which the normal at every point passes through a fixed point is a:
Correct answer: circle
EnglishKVS PGT 23-12-2018
Q219.The equation of a circle passing through the origin is 2 2 x y 6x 2y 0 + − + = + − + = + − + = + − + =. The equation of one of its diameter is:
Correct answer: x+3y=0
EnglishUP PGT-2016 (02-02-2019)
Q220.The equation r(6–4 cos θ) = 5 represents
Correct answer: an ellipse