Let the number be X Decreasing 2 from XX - 2 = 80 x (1/X)X^2 - 2X = 80X^2 -2x -80 = 0(X-10)(X+8) = 0x=10,-8X has two values, but among the given options X value should be 10
Let the total property = N Then, property of his daughter = P/7 ∴ Remaining property = P - P/7 = 6P/7 Now, this property is divided among his sons, so that each son gets twice the property of his daughter.Let number of sons be K. Then, 6N/7 x K = 2N/7 ⇒ K =
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