Tangents & Secants — XAT Previous-Year Questions
1 previous-year question on Tangents & Secants from XAT, with full solutions. Practise free — check answers as you go; sign in to save your progress.
Back
1 questions
Tangents & Secants · XAT PYQs
XAT 2019 · QA & DI
Q1.
Let C be a circle of radius √20 cm. Let l1, l2 be the lines given by 2x − y −1 = 0 and x + 2y −18 = 0, respectively. Suppose that l1 passes through the center of C and that l2 is tangent to C at the point of intersection of l1 and l2.
If (a, b) is the center of C, which of the following is a possible value of a + b?