If a number is multiplied by three-forth of itself. The value thus obtained is 10800. What is that number?

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Accepted Answer

Let the number be N According to the question N x ( N x 3)/4 = 10800 ⇒ 3N2 / 4 = 10800 ⇒ N2 = (10800 x 4) / 3= 14400 N = √14400 = 120

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