CAT 2019 Ratio, Proportion and Variation Question (Medium)

Question

The salaries of Ramesh, Ganesh and Rajesh were in the ratio 6 5 7 in 2010, and in the ratio 3 4 3 in 2015. If Ramesh s salary increased by 25 during 2010-2015, then the percentage increase in Rajesh s salary during this period is closest to

Accepted Answer

Step 1 Let the 2010 salaries be Ramesh 6x, Ganesh 5x, Rajesh 7x In 2015, let salaries be Ramesh 3y, Ganesh 4y, Rajesh 3y Given Ramesh s salary increased by 25 So, 3y 1.25 6x 7.5x y 2.5x Step 2 Now Rajesh s salary in 2010 7x 2015 3y 3 2.5x 7.5x increase 7.5x - 7x 7x 100 0.5 7 100 7.14 Final Answer 7

CAT 2019

Quantitative

Ratio, Proportion and Variation

Medium

The salaries of Ramesh, Ganesh and Rajesh were in the ratio 6:5:7 in 2010, and in the ratio 3:4:3 in 2015. If Ramesh's salary increased by 25% during 2010-2015, then the percentage increase in Rajesh's salary during this period is closest to

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