CAT 2019 Percentages Question (Hard)

Question

Meena scores 40 in an examination and after review, even though her score is increased by 50 , she fails by 35 marks. If her post-review score is increased by 20 , she will have 7 marks more than the passing score. The percentage score needed for passing the examination is

Accepted Answer

Step 1 Define Variables Let be the total marks of the examination. Let be the passing score. Step 2 Formulate Equations from the Given Information Meena s initial score 40 of . Meena s score after the first review Her initial score is increased by 50 . Score_after_review1 Score_after_review1 Score_a

CAT 2019

Quantitative

Percentages

Hard

Meena scores 40% in an examination and after review, even though her score is increased by 50%, she fails by 35 marks. If her post-review score is increased by 20%, she will have 7 marks more than the passing score. The percentage score needed for passing the examination is

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