Question
The marks obtained by X is 40% more than Y, and the
marks obtained by Z is 80 more than the difference of the marks obtained by X and Y. If Z obtained 200 marks, then find the marks obtained by X.Solution
Let the marks obtained by Y be ‘x’. So, marks obtained by X = 1.40x According to question, (1.40x - x) + 80 = 200 0.40x = 200 - 80 0.40x = 120 x = 120 / 0.40 x = 300 Therefore, marks obtained by X = 1.40 x 300 = 420 marks
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