GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
The are 15 girls and 15 boys
[#permalink]
26 Jun 2020, 09:26
26 Jun 2020, 09:26
Expert Reply
00:00
Question Stats:
97% (00:53) correct
2% (02:52) wrong based on 35 sessions
Hide Show timer Statistics
The are 15 girls and 15 boys in the first grade classroom. No girls are to be added or removed from the classroom. What is the least number of the boys that can be removed from the class so that the ratio of girls to boys is 5 to 3 ?
Show: :: OA
6
Re: The are 15 girls and 15 boys
[#permalink]
26 Jun 2020, 09:27
26 Jun 2020, 09:27
Expert Reply
Post A Detailed Correct Solution For The Above Questions And Get A Kudos.
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
Intern
Joined: 08 Aug 2019
Posts: 28
Given Kudos: 0
Location: United States
Re: The are 15 girls and 15 boys
[#permalink]
27 Jun 2020, 02:09
27 Jun 2020, 02:09
1
Remove 1 boy, ratio of girls to boys = \(\frac{15}{14}\)
Remove 2 boys, ratio of girls to boys = \(\frac{15}{13}\)
Remove 3 boys, ratio of girls to boys = \(\frac{15}{12}\)
Remove 4 boys, ratio of girls to boys = \(\frac{15}{11}\)
Remove 5 boys, ratio of girls to boys = \(\frac{15}{10}\)
Remove 6 boys, ratio of girls to boys = \(\frac{15}{9}\) = \(\frac{5}{3}\) --> Answer
Remove 2 boys, ratio of girls to boys = \(\frac{15}{13}\)
Remove 3 boys, ratio of girls to boys = \(\frac{15}{12}\)
Remove 4 boys, ratio of girls to boys = \(\frac{15}{11}\)
Remove 5 boys, ratio of girls to boys = \(\frac{15}{10}\)
Remove 6 boys, ratio of girls to boys = \(\frac{15}{9}\) = \(\frac{5}{3}\) --> Answer
