Q01.A point on the parabola y2 = 18x at which the ordinate increases at twice the rate of the abscissa is:
Correct answer: 9 9, 8 2
Q02.A triangle PQR is inscribed in the circle x2 +y2 = 25. If Q and R have coordinates (3, 4) and (–4, 3) respectively, that ∠ ∠ ∠QPR is equal to:
Correct answer: 4/π
Q03.The number of circles that can be drawn touching all the lines x = y + 2, y = x + 3 and 2x + 3y = 4 is:
Correct answer: 2
Q04.The distance between the foci of a hyperbola is 16 and its eccentricity is 2. The equation of the hyperbola is:
Correct answer: 2 2 x y 32 − =
Q05.If the parabola y2 = 4ax passes through the point (3, 2), then the length of its latus rectum is:
Correct answer: 4/3
Q06.() 3, 0 is a vertex of the hyperbola 2 2 x y - = 1 a b and a: b = 3: 4. Then its foci are:
Correct answer: () 5, 0 ±
EnglishBihar (TRE 2.0)-2023
Q07.The area of the ellipse 2 2 x y + = 1 a b is
Correct answer: πab
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Q08.The equation of hyperbola with foci on the x- axis and centre (0, 0) is
Correct answer: 2 2 x y 1 a b − =
EnglishBihar (TRE 2.0)-2023
Q09.The centre of the circle x2 + y2 - 4x - 10y + 4 = 0 is
Correct answer: (2, 5)
EnglishBihar (TRE 2.0)-2023
Q10.The equation of the parabola with vertex at the origin and directrix x - 2 = 0 is
Correct answer: y2 = -8x
Q11.The area of a sector of a circle of radius 16 cm cut off by an arc of length 18.5 cm, is:
Correct answer: 148 cm2
Q12.Equation of the circle with centre on y-axis and passing through the origin and the point (2, 3) is
Correct answer: 3x2 +3y2 - 13y = 0
Q13.The circles x2 + y2 + 6x + 2y + 8 = 0 and x2 + y2 − −8x − − − 4y + 4 = 0:
Correct answer: do not intersect
Q14.The number of common tangent to the circles x2 + y2 = 4 and x2 + y2 − − 8x + 12 = 0 is:
Correct answer: 3
Q15.The maximum distance of the point (10, 7) from the circle x2 + y2 − −4x − − −2y − − − 20 = 0 is:
Correct answer: 15
Q16.The point diametrically opposite to the point P(1, 0) on the circle x2 + y2 + 2x + 4y − − − 3 = 0
Correct answer: (−3, −4)
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Q17.The number of common tangents to the circles x2 + y2 − x = 0 and x2 + y2 + x = 0 is:
Correct answer: 3
Q18.The conic x2 + xy + 2y2 + x + y = 1 is:
Correct answer: an ellipse
Q19.The equation of the hyperbola where foci are (0, ± 12) and the length of the latus rectum is 36 is:
Correct answer: 3y2 − x2 = 108
Q20.The vertex of a parabola is at (−3, 0) and the directrix is the line x+5=0, then its equation is:
Correct answer: y2 =8(x+3)