CAT 2018 Ratio, Proportion and Variation Question (Medium)

Question

The scores of Amal and Bimal in an examination are in the ratio . After an appeal, their scores increase by the same amount and their new scores are in the ratio . The ratio of Bimal s new score to that of his original score is

Accepted Answer

Step 1 Initial scores Amal Bimal --- Step 2 After appeal, both scores increased by same amount New scores Amal Bimal New ratio --- Step 3 Form equation 14x a 56 Cross multiply 11x a times 56 14x a times 47 Simplify 616x 56a 658x 47a 56a - 47a 658x - 616x 9a 42x a 3 --- Step 4 Ratio of Bimal s new sc

CAT 2018

Quantitative

Ratio, Proportion and Variation

Medium

The scores of Amal and Bimal in an examination are in the ratio $11 : 14$ . After an appeal, their scores increase by the same amount and their new scores are in the ratio $47 : 56$ . The ratio of Bimal’s new score to that of his original score is

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