If the ratio of volumes of two cones is 2 : 3 and the ratio of the radii of their bases is 1 : 2, then the ration of their heights will be?

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[(1/3)πr12h1]/[(1/3)πr22h2] = 2/3 ⇒ (r1/r2)2 x (h1/h2) = 2/3 ⇒ (1/2)2 x (h1/h2) = …

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