Cat Quant74

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CAT 2009 Quant questions

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An elastic string laying along the interval [-2, 2] on the x-axis is stretched uniformly and displaced so that it lays along [3, 9]. What is the new location of the point of the string which was formerly at x = 1?

(A) 8 (B) 6 (C) 4.5 (D) 4(E) 7.5

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The number of values of k for which the roots of the equation kx^3 + 2x^2 – 3x + 1 = 0 are in harmonic progression is

(A) 0 (B) 1 (C) 2 (D) 3 (E) more than 3

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