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Questions › JNU › JNU SSS 2011 › Q28
1 mark, −0.25Mathematics › Quantitative aptitude and data reasoning › Percentages, ratios and proportionEasyabout 1 min

JNU SSS 2011 Question 28: Quantitative aptitude and data reasoning

In a bookshop, the sales of scientific books increased by 40% while the sales of engineering books decreased by 50% from 2001 to 2002. If RRR is the ratio of the number of scientific books to the number of engineering books in 2001 and rrr the same ratio in 2002, what is kkk if it is given by k=r/Rk = r/Rk=r/R?

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In a bookshop, the sales of scientific books increased by 40% while the sales of engineering books decreased by 50% from 2001 to 2002. If R is the ratio of the number of scientific books to the number of engineering books in 2001 and r the same ratio in 2002, what is k if it is given by k = r/R? (A) 2·8 (B) 1·25 (C) 0·2 (D) 1

Quantitative aptitude and data reasoning has come up 92 times in 6 exams since 2008.

What this question tests

This question is on Percentages, ratios and proportion, part of Quantitative aptitude and data reasoning in Mathematics.

Working with percentage changes, ratios and proportional reasoning.

TestStop has 10 past-paper questions on this subtopic.

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Question from the JNU SSS 2011 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.