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.
A fairground operator has two bags, each containing some red and some
[#permalink]
15 Jul 2022, 08:02
15 Jul 2022, 08:02
00:00
Question Stats:
50% (02:00) correct
50% (02:40) wrong based on 2 sessions
Hide Show timer Statistics
A fairground operator has two bags, each containing some red and some white marbles. If the ratio of the number of red marbles to the number of white marbles in the first bag is 7 to 5, the ratio of the number of red marbles to the number of white marbles in the second bag is 11 to 9, and the ratio of the number of red marbles to the number of white marbles in the two bags combined is 5 to 4, what is the ratio of the number of red marbles in the first bag to the number of red marbles in the second bag?
A) 1 to 5
B) 7 to 33
C) 7 to 11
D) 13 to 10
E) 5 to 3
A) 1 to 5
B) 7 to 33
C) 7 to 11
D) 13 to 10
E) 5 to 3
Re: A fairground operator has two bags, each containing some red and some
[#permalink]
15 Jul 2022, 08:45
15 Jul 2022, 08:45
1
Expert Reply
Please follow the rules for posting https://gre.myprepclub.com/forum/rules-for ... -1083.html and also provide the OA
Thank you
Thank you
Re: A fairground operator has two bags, each containing some red and some
[#permalink]
15 Jul 2022, 09:17
15 Jul 2022, 09:17
In A bag the ratio is 7:5. So a 7k red and 5k white.
In bag B the ratio is 11:9.
(7k+11p)/(5k+9p) = 5/4
k/p = 1/3
7k/11p = 7/33.
I think this is how you solve it.
In bag B the ratio is 11:9.
(7k+11p)/(5k+9p) = 5/4
k/p = 1/3
7k/11p = 7/33.
I think this is how you solve it.
