Question
Rahul and Tarun scored marks in the ratio 6:5. If Rahul
had scored 4 marks more and Tarun had scored 5 marks less, the ratio of their marks would have become 7:5. Find the original marks obtained by Tarun.Solution
Marks obtained by Rahul and Tarun be ‘6x’ and ‘5x’ respectively.
So, (6x + 4)/(5x – 5) = 7/5
6x + 4 = 7x – 7
x = 11
Marks obtained by Tarun = 5x = 55
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