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This question is from Percentages. Arithmetic is the backbone of Quant. The importance of Arithmetic questions in the CAT Exam has increased over the years. Get cartloads of practice in this topic. Worried about where to practice? 2IIM Online CAT Preparation has got your back! Practice CAT Previous Year Question Paper with detailed video and text solutions, and get a kick-ass CAT score.

Question 8 : In the final examination, Bishnu scored 52% and Asha scored 64%. The marks obtained by Bishnu is 23 less, and that by Asha is 34 more than the marks obtained by Ramesh. The marks obtained by Geeta, who scored 84%, is

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Share of Student's marks
The difference between Asha and Bishnu marks = 23 + 34 = 57
The difference between Asha and Bishnu marks(in terms of percentage) = 64% - 52% = 12%
We need to find Geeta's marks who secured, 84%.
Observe that 84 = 7 × 12
Therefore, Geeta's marks = 7 × 57 = 399.