SSC Government Jobs Exams Numerical Ability Geometry

A parabolic dish with a diameter of 200 cm and a maximum depth of 50 cm is shown below. Find the focus of the dish.

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SSC Other Question

Find an equation of the parabola with directrix given by the equation y = 2, a focus on the y axis, and the point (-6 , -8) lies on the parabola. Find the tranverse axis, the center, the foci and the vertices of the hyperbola whose equation is
x^2/4-y^2/9 = 1