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Question
Two students appeared at an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are
Options
39, 30
41, 32
42, 33
43, 34
MCQ
Solution
42, 33
Explanation :
Let their marks be (x + 9) and x.
Then, x + 9 = `56/100` (x + 9 + x)
⇒ 25(x + 9) = 14(2x + 9)
⇒ 3x = 99 ⇒ x = 33
So, their marks are 42 and 33.
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Percentage, Discount and Partnership (Entrance Exam)
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