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.
If 5b = 6c = 7d = 120, then what is the value of
[#permalink]
03 Dec 2020, 10:47
03 Dec 2020, 10:47
Expert Reply
00:00
Question Stats:
97% (01:00) correct
2% (00:46) wrong based on 44 sessions
Hide Show timer Statistics
If \(5b = 6c = 7d = 120\), then what is the value of \(\frac{7bd}{c}\) ?
A. 100
B. 120
C. 144
D. 148
E. 196
Kudos for the right answer and explanation
A. 100
B. 120
C. 144
D. 148
E. 196
Kudos for the right answer and explanation
Re: If 5b = 6c = 7d = 120, then what is the value of
[#permalink]
10 Dec 2020, 08:57
10 Dec 2020, 08:57
1
In this case, First we should find the values of b , c , d
Since 5b= 6c= 7d= 120, then b = 120/5 = 24 and c=20 120/6 and d = 17.1. 120/7
Next we are asked to find the value of 7(b)(d) / c ==> plug in numbers above we get ==>> 7*(24)(17.1)/ 20 = 143.64 rounded to be 144
Answer is (C).
Since 5b= 6c= 7d= 120, then b = 120/5 = 24 and c=20 120/6 and d = 17.1. 120/7
Next we are asked to find the value of 7(b)(d) / c ==> plug in numbers above we get ==>> 7*(24)(17.1)/ 20 = 143.64 rounded to be 144
Answer is (C).
gmatclubot
Re: If 5b = 6c = 7d = 120, then what is the value of [#permalink]
10 Dec 2020, 08:57
Moderators:
