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The question below is from previous year CAT question from CAT 2018 exam comes from Raju and Lalitha originally had marbles . Find out by answering this question which tests an aspirant’s Quantitative Ability Skills:
Q. 1: Raju and Lalitha originally had marbles in the ratio 4:9. Then Lalitha gave some of her marbles to Raju. As a result, the ratio of the number of marbles with Raju to that with Lalitha became 5:6. What fraction of her original number of marbles was given by Lalitha to Raju?
Let original number of marbles with Raju and Lalitha are 4x and 9x respectively. Let Lalitha gave n marbles to Raju and the ratio becomes 5:6
Fraction of marbles given by Lalitha to Raju = n/9x=(21x/11)/9x=7/33