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Two student appeared at an examination. One of them secured 9 makes more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are :

Two student appeared at an examination. One of them secured 9 makes more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are : Correct Answer 42, 33

Let their marks be (x + 9) and x Then, x + 9 = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>56</mn><mn>100</mn></mfrac></math> (x + 9 + x) 25(x + 9) = 14 (2x + 9) 3x = 99 <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>&#x2234;</mo></math> x = 33 so, their marks are 42 and 33

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