Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Ellipse

66 questions · Mathematics · JEE Main
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Ellipse

Ellipse

66 questions · Mathematics · JEE Main

  1. If S and S′ are the foci of the ellipse 18x2​+9y2​=1 and P be a point on the ellipse, then min(SP⋅S′P)+max(SP⋅S′P) is equal to :2025 · 2 Apr · Shift 1 · Q30 · MCQ
  2. If the length of the minor axis of an ellipse is equal to one fourth of the distance between the foci, then the eccentricity of the ellipse is :2025 · 2 Apr · Shift 2 · Q41 · MCQ
  3. A line passing through the point P(5​,5​) intersects the ellipse 36x2​+25y2​=1 at A and B such that (PA)⋅(PB) is maximum. Then 5(PA2+PB2) is equal to :2025 · 3 Apr · Shift 1 · Q37 · MCQ
  4. Let C be the circle of minimum area enclosing the ellipse E:a2x2​+b2y2​=1 with eccentricity 21​ and foci (±2,0). Let PQR be a variable triangle, whose vertex P is on the circle C and the…2025 · 3 Apr · Shift 2 · Q30 · MCQ
  5. The length of the latus-rectum of the ellipse, whose foci are (2,5) and (2,−3) and eccentricity is 54​, is2025 · 4 Apr · Shift 1 · Q29 · MCQ
  6. Let for two distinct values of p the lines y=x+p touch the ellipse E:42x2​+32y2​=1 at the points A and B . Let the line y=x intersect E at the points C and D . Then the area of the quadrilateral…2025 · 4 Apr · Shift 2 · Q34 · MCQ
  7. The centre of a circle C is at the centre of the ellipse E:a2x2​+ b2y2​=1,a>b. Let C pass through the foci F1​ and F2​ of E such that the circle C and the…2025 · 4 Apr · Shift 2 · Q35 · MCQ
  8. Let the length of a latus rectum of an ellipse a2x2​+b2y2​=1 be 10. If its eccentricity is the minimum value of the function f(t)=t2+t+1211​, t∈R, then a2+b2 is equal to :2025 · 7 Apr · Shift 2 · Q33 · MCQ
  9. Let p be the number of all triangles that can be formed by joining the vertices of a regular polygon P of n sides and q be the number of all quadrilaterals that can be formed by joining the vertices of P. If p + q = 126, then the…2025 · 7 Apr · Shift 2 · Q42 · MCQ
  10. Let the ellipse 3x2+py2=4 pass through the centre C of the circle x2+y2−2x−4y−11=0 of radius r. Let f1​,f2​ be the focal distances of the point C on the ellipse. Then 6f1​f2​−r is equal to2025 · 8 Apr · Shift 2 · Q32 · MCQ
  11. Let E:a2x2​+ b2y2​=1,a>b and H: A2x2​− B2y2​=1. Let the distance between the foci of E and the foci of H be 23​…2025 · 22 Jan · Shift 2 · Q45 · MCQ
  12. The length of the chord of the ellipse 4x2​+2y2​=1, whose mid-point is (1,21​), is :2025 · 23 Jan · Shift 2 · Q28 · MCQ
  13. Let the product of the focal distances of the point (3​,21​) on the ellipse a2x2​+b2y2​=1,(a>b), be 47​. Then the absolute difference of the eccentricities of two such ellipses…2025 · 24 Jan · Shift 1 · Q33 · MCQ
  14. The equation of the chord, of the ellipse 25x2​+16y2​=1, whose mid-point is (3,1) is :2025 · 24 Jan · Shift 2 · Q39 · MCQ
  15. Let E1​:9x2​+4y2​=1 be an ellipse. Ellipses Ei​'s are constructed such that their centres and eccentricities are same as that of E1​, and the length of minor axis of Ei​…2025 · 28 Jan · Shift 1 · Q49 · Numerical
  16. If the midpoint of a chord of the ellipse 9x2​+4y2​=1 is (2​,4/3), and the length of the chord is 32α​​, then α is :2025 · 28 Jan · Shift 2 · Q29 · MCQ
  17. Let the ellipse E1​:a2x2​+b2y2​=1, a>b and E2​:A2x2​+B2y2​=1, A<B have same eccentricity 3​1​. Let the product of their lengths of latus rectums be 3​32​…2025 · 29 Jan · Shift 1 · Q30 · MCQ
  18. If αx+βy=109 is the equation of the chord of the ellipse 9x2​+4y2​=1, whose mid point is (25​,21​). then α+β is equal to :2025 · 29 Jan · Shift 2 · Q36 · MCQ
  19. Let a2x2​+b2y2​=1,a>b be an ellipse, whose eccentricity is 2​1​ and the length of the latusrectum is 14​. Then the square of the eccentricity of a2x2​−b2y2​=1…2024 · 1 Feb · Shift 1 · Q46 · MCQ
  20. Let P be a point on the ellipse 9x2​+4y2​=1. Let the line passing through P and parallel to y-axis meet the circle x2+y2=9 at point Q such that P and Q are on…2024 · 1 Feb · Shift 2 · Q39 · MCQ
  21. Let the line 2x+3y−k=0,k>0, intersect the x-axis and y-axis at the points A and B, respectively. If the equation of the circle having the line segment AB as a diameter is x2+y2−3x−2y=0…2024 · 5 Apr · Shift 1 · Q45 · MCQ
  22. Let f(x)=x2+9,g(x)=x−9x​ and a=f∘g(10),b=g∘f(3). If e and l denote the eccentricity and the length of the latus rectum of the ellipse ax2​+ by2​=1…2024 · 9 Apr · Shift 1 · Q43 · MCQ
  23. The length of the chord of the ellipse 25x2​+16y2​=1, whose mid point is (1,52​), is equal to :2024 · 27 Jan · Shift 1 · Q38 · MCQ
  24. If the length of the minor axis of an ellipse is equal to half of the distance between the foci, then the eccentricity of the ellipse is :2024 · 30 Jan · Shift 1 · Q41 · MCQ
  25. Let A(α,0) and B(0,β) be the points on the line 5x+7y=50. Let the point P divide the line segment AB internally in the ratio 7:3. Let 3x−25=0 be a directrix of the ellipse E:a2x2​+b2y2​=1…2024 · 30 Jan · Shift 2 · Q50 · MCQ
  26. Let P be a parabola with vertex (2,3) and directrix 2x+y=6. Let an ellipse E:a2x2​+b2y2​=1,a>b, of eccentricity 2​1​ pass through the focus of the parabola P. Then, the square of the…2024 · 31 Jan · Shift 2 · Q36 · MCQ
  27. In a group of 100 persons 75 speak English and 40 speak Hindi. Each person speaks at least one of the two languages. If the number of persons, who speak only English is α and the number of persons who speak only Hindi is β,…2023 · 6 Apr · Shift 2 · Q33 · MCQ
  28. Let the ellipse E:x2+9y2=9 intersect the positive x and y-axes at the points A and B respectively. Let the major axis of E be a diameter of the circle C. Let the line passing through A and B meet the circle C at the point P. If…2023 · 10 Apr · Shift 1 · Q26 · MCQ
  29. Consider ellipses Ek​:kx2+k2y2=1,k=1,2,…,20. Let Ck​ be the circle which touches the four chords joining the end points (one on minor axis and another on major axis) of the ellipse Ek​…2023 · 11 Apr · Shift 1 · Q35 · MCQ
  30. Let P(7​23​​,7​6​),Q,R and S be four points on the ellipse 9x2+4y2=36. Let PQ and RS be mutually perpendicular and…2023 · 12 Apr · Shift 1 · Q31 · MCQ
  31. Let an ellipse with centre (1,0) and latus rectum of length 21​ have its major axis along x-axis. If its minor axis subtends an angle 60∘ at the foci, then the square of the sum of the lengths of its minor…2023 · 15 Apr · Shift 1 · Q39 · Numerical
  32. Let C be the largest circle centred at (2, 0) and inscribed in the ellipse 36x2​+16y2​=1. If (1, α) lies on C, then 10 α2 is equal to ​2023 · 24 Jan · Shift 1 · Q40 · Numerical
  33. Let the maximum area of the triangle that can be inscribed in the ellipse a2x2​+4y2​=1,a>2, having one of its vertices at one end of the major axis of the ellipse and one of its sides parallel…2022 · 24 Jun · Shift 2 · Q29 · MCQ
  34. If the ellipse a2x2​+b2y2​=1 meets the line 7x​+26​y​=1 on the x-axis and the line 7x​−26​y​=1 on the y-axis, then the eccentricity of the ellipse is :2022 · 25 Jul · Shift 2 · Q31 · MCQ
  35. The line y = x + 1 meets the ellipse 4x2​+2y2​=1 at two points P and Q. If r is the radius of the circle with PQ as diameter then (3r)2 is equal to :2022 · 25 Jun · Shift 2 · Q36 · MCQ
  36. The locus of the mid point of the line segment joining the point (4, 3) and the points on the ellipse x2+2y2=4 is an ellipse with eccentricity :2022 · 26 Jun · Shift 2 · Q34 · MCQ
  37. If the length of the latus rectum of the ellipse x2+4y2+2x+8y−λ=0 is 4 , and l is the length of its major axis, then λ+l is equal to ​.2022 · 27 Jul · Shift 1 · Q45 · Numerical
  38. Let the eccentricity of an ellipse a2x2​+b2y2​=1, a>b, be 41​. If this ellipse passes through the point (−452​​,3), then a2+b2 is…2022 · 27 Jun · Shift 1 · Q30 · MCQ
  39. Let a line L pass through the point of intersection of the lines bx+10y−8=0 and 2x−3y=0, b∈R−{34​}. If the line L also passes through the point (1,1) and touches the circle…2022 · 29 Jul · Shift 1 · Q32 · MCQ
  40. Let the eccentricity of the ellipse x2+a2y2=25a2 be b times the eccentricity of the hyperbola x2−a2y2=5, where a is the minimum distance between the curves y = ex and y = logex. Then a2+b21​…2022 · 30 Jun · Shift 1 · Q32 · MCQ
  41. Let E1​:a2x2​+b2y2​=1,a>b. Let E2 be another ellipse such that it touches the end points of major axis of E1 and the foci of E2 are the end points of minor axis of E1. If E1 and E2 have…2021 · 22 Jul · Shift 2 · Q37 · MCQ
  42. If the curve x2 + 2y2 = 2 intersects the line x + y = 1 at two points P and Q, then the angle subtended by the line segment PQ at the origin is :2021 · 25 Feb · Shift 2 · Q38 · MCQ
  43. Let an ellipse E:a2x2​+b2y2​=1, a2>b2, passes through (23​​,1) and has eccentricity 3​1​. If a circle, centered at focus…2021 · 25 Jul · Shift 1 · Q37 · MCQ
  44. If x2 + 9y2 − 4x + 3 = 0, x, y ∈ R, then x and y respectively lie in the intervals :2021 · 27 Aug · Shift 1 · Q31 · MCQ
  45. A ray of light through (2, 1) is reflected at a point P on the y-axis and then passes through the point (5, 3). If this reflected ray is the directrix of an ellipse with eccentricity 31​ and the distance of the nearer focus from…2021 · 27 Jul · Shift 1 · Q28 · MCQ
  46. The locus of mid-points of the line segments joining (− 3, − 5) and the points on the ellipse 4x2​+9y2​=1 is :2021 · 31 Aug · Shift 2 · Q27 · MCQ
  47. Let a2x2​+b2y2​=1(a > b) be a given ellipse, length of whose latus rectum is 10. If its eccentricity is the maximum value of the function, $$\phi \left( t \right) = {5 \over {12}} + t -…2020 · 4 Sep · Shift 1 · Q37 · MCQ
  48. If the co-ordinates of two points A and B are (7​,0) and (−7​,0) respectively and P is any point on the conic, 9x2 + 16y2 = 144, then PA + PB is equal to :2020 · 5 Sep · Shift 1 · Q26 · MCQ
  49. If the distance between the foci of an ellipse is 6 and the distance between its directrices is 12, then the length of its latus rectum is :2020 · 7 Jan · Shift 1 · Q41 · MCQ
  50. In an ellipse, with centre at the origin, if the difference of the lengths of major axis and minor axis is 10 and one of the foci is at (0,5 3​), then the length of its latus rectum is :2019 · 8 Apr · Shift 2 · Q26 · MCQ
  51. Let S = {(x,y)∈R2:1+ry2​−1−rx2​};re±1. Then S represents :2019 · 10 Jan · Shift 2 · Q33 · MCQ
  52. Let the length of the latus rectum of an ellipse with its major axis along x-axis and centre at the origin, be 8. If the distance between the foci of this ellipse is equal to the length of its minor axis, then which one of the following…2019 · 11 Jan · Shift 2 · Q24 · MCQ
  53. An ellipse, with foci at (0, 2) and (0, –2) and minor axis of length 4, passes through which of the following points?2019 · 12 Apr · Shift 2 · Q37 · MCQ
  54. Let S and S' be the foci of an ellipse and B be any one of the extremities of its minor axis. If Δ S'BS is a right angled triangle with right angle at B and area (Δ S'BS) = 8 sq. units, then the length of a latus rectum of…2019 · 12 Jan · Shift 2 · Q43 · MCQ
  55. If the length of the latus rectum of an ellipse is 4 units and the distance between a focus an its nearest vertex on the major axis is 23​ units, then its eccentricity is :2018 · 16 Apr · Shift 1 · Q45 · MCQ
  56. Consider an ellipse, whose center is at the origin and its major axis is along the x-axis. If its eccentricity is 53​ and the distance between its foci is 6, then the area (in sq. units) of the quadrilatateral inscribed in the…2017 · 8 Apr · Shift 1 · Q34 · MCQ
  57. The eccentricity of an ellipse having centre at the origin, axes along the co-ordinate axes and passing through the points (4, −1) and (−2, 2) is :2017 · 9 Apr · Shift 1 · Q37 · MCQ
  58. The locus of the foot of perpendicular drawn from the centre of the ellipse x2+3y2=6 on any tangent to it is :2014 · Shift 0 · Q36 · MCQ
  59. The equation of the circle passing through the foci of the ellipse 16x2​+9y2​=1, and having centre at (0,3) is :2013 · Shift 0 · Q36 · MCQ
  60. An ellipse is drawn by taking a diameter of thec circle (x−1)2+y2=1 as its semi-minor axis and a diameter of the circle x2+(y−2)2=4 is semi-major axis. If the centre of the…2012 · Shift 0 · Q37 · MCQ
  61. Equation of the ellipse whose axes of coordinates and which passes through the point (−3,1) and has eccentricity 52​​ is :2011 · Shift 0 · Q44 · MCQ
  62. The ellipse x2+4y2=4 is inscribed in a rectangle aligned with the coordinate axex, which in turn is inscribed in another ellipse that passes through the point (4,0). Then the equation of the ellipse is :2009 · Shift 0 · Q38 · MCQ
  63. A focus of an ellipse is at the origin. The directrix is the line x=4 and the eccentricity is 21​. Then the length of the semi-major axis is :2008 · Shift 0 · Q45 · MCQ
  64. In the ellipse, the distance between its foci is 6 and minor axis is 8. Then its eccentricity is :2006 · Shift 0 · Q81 · MCQ
  65. An ellipse has OB as semi minor axis, F and F' its focii and theangle FBF' is a right angle. Then the eccentricity of the ellipse is :2005 · Shift 0 · Q107 · MCQ
  66. The eccentricity of an ellipse, with its centre at the origin, is 21​. If one of the directrices is x=4, then the equation of the ellipse is :2004 · Shift 0 · Q84 · MCQ