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Year

CAT 2019

Section

Quantitative

Topic

Coordinate Geometry

Difficulty

Hard

Question

Slot-2

Let a, b, x, y be real numbers such that a² + b² = 25 , x² + y² = 169 and ax + by = 65. If k = ay - bx, then

k = 0

k > 513\frac{5}{13}

k = 513\frac{5}{13}

0 < k ≤ 513\frac{5}{13}

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