BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Target Test Prep · GMAT

Choose how you want to prepare

Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.

★★★★★5.0559 reviews
GMATLiveTeach Starts Oct 17
Chris Peckover, Target Test Prep GMAT expert
LIVE ONLINE CLASSES

Get Ready for GMAT Test Day Faster with Live Online Classes

with Chris Peckover, 100th-Percentile GMAT Scorer

Oct 17 · Chris Peckover
Sat · 11:00 AM to 2:00 PM ET
Oct 20 · Chris Peckover
Tue, Thu · 8:00 to 10:00 PM ET
Oct 25 · Josh Braslow
Sun · 1:00 to 4:00 PM ET
Included
40 hours of live online classes + 6 months of TTP OnDemand
  • Attend the first class for free
  • Every class is recorded, so you never fall behind
View classes & enroll
Limited seats availableTarget Test Prep
EALiveTeachOnDemand 5 seats left Start anytime
EXECUTIVE ASSESSMENT

Target Test Prep EA OnDemand

Self-paced EA prep. Study on your schedule.

Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

165+ EA score guarantee
$05-day trial no automatic billing
Schedule
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
  • 165+ EA Score Guarantee
  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
  • 400+ hours of in-depth video lessons
  • 3,000+ step-by-step video solutions
View EA class & enroll Start free 5-day trial
Limited cohort · enrollment openTrial includes full course accessTarget Test Prep
GMATOnDemand Start anytime
SELF-PACED MASTERCLASS

Target Test Prep GMAT OnDemand

Complete access from day one. Study on your schedule.

715+ score guarantee
$0to start then $127/mo
  • Personalized study plan and analytics
  • Thousands of lessons and practice questions
Start free 5-day trial
Read 559 reviewsTarget Test Prep

Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.

ratios problem

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
Master | Next Rank: 500 Posts
Posts: 183
Joined: Wed Feb 09, 2011 3:08 amFollowed by: 5 members
Location: Delhi
Thanked: 1 times
by alltimeacheiver » Fri Feb 11, 2011 12:06 am
In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of
students. What is the ratio of the number of boys to the number of girls in the class?
A. 1 to 4
B. 1 to 3
C. 1 to 2
D. 2 to 3
E. 2 to 1
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Problem Solving |
Legendary Member
Posts: 1337
Joined: Sat Dec 27, 2008 6:29 pmFollowed by: 10 members
Thanked: 127 times

by Night reader » Fri Feb 11, 2011 12:22 am
G/4=(G+B)/6, find B/G-?
6G=4G+4B, 2G=4B, 4B/2G=1, 2B/G=1, B/G=1/2
answer C
alltimeacheiver wrote:In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of
students. What is the ratio of the number of boys to the number of girls in the class?
A. 1 to 4
B. 1 to 3
C. 1 to 2
D. 2 to 3
E. 2 to 1
Last edited by Night reader on Fri Feb 11, 2011 3:26 am, edited 1 time in total.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Master | Next Rank: 500 Posts
Posts: 183
Joined: Wed Feb 09, 2011 3:08 amFollowed by: 5 members
Location: Delhi
Thanked: 1 times

by alltimeacheiver » Fri Feb 11, 2011 12:29 am
thank you...dear A ton thanks
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Master | Next Rank: 500 Posts
Posts: 183
Joined: Wed Feb 09, 2011 3:08 amFollowed by: 5 members
Location: Delhi
Thanked: 1 times

by alltimeacheiver » Fri Feb 11, 2011 12:38 am
thank you...dear A ton thanks
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
GMAT Instructor
Posts: 15539
Joined: Tue May 25, 2010 12:04 pmFollowed by: 1906 members
Location: New York, NY
Thanked: 13060 times
GMAT Score:790

by GMATGuruNY » Fri Feb 11, 2011 3:08 am
alltimeacheiver wrote:In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of
students. What is the ratio of the number of boys to the number of girls in the class?
A. 1 to 4
B. 1 to 3
C. 1 to 2
D. 2 to 3
E. 2 to 1
Plug in girls = 4.
1/4 of the number of girls = 1/4 * 4 = 1.
Thus, there are 6 students total (since 1 = 1/6 * 6).
Boys = 6-4 = 2.
Boys:Girls = 2:4 = 1:2.

The correct answer is C.
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.

As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.

For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Newbie | Next Rank: 10 Posts
Posts: 7
Joined: Tue Aug 22, 2017 3:16 pm

by gmatstudent2017 » Sun Sep 03, 2017 7:30 am
Hi GMATGuru,

I attempted to solve this problem by picking numbers as well; however, I picked a number for the total number of students instead of for the number of girls. I thought you would have to pick a number for the total and then use that to figure out how many girls there are and then subtract that amount from the total to get the number of boys. However, when I did that the ratio I ended up getting for boys to girls wasn't even an answer choice. For example, I picked the total to be 24 since that is a multiple of both 4 and 6. 1/6 of 24 is 4 and 24 - 4 is 20 so the ratio I got was 5:1. My question is, why do you pick a number for the girls and not for the total number of students?

Thank you.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 16207
Joined: Mon Dec 08, 2008 6:26 pmFollowed by: 1268 members
Location: Vancouver, BC
Thanked: 5254 times
GMAT Score:770

by Brent@GMATPrepNow » Sun Sep 03, 2017 7:45 am
gmatstudent2017 wrote:Hi GMATGuru,

I attempted to solve this problem by picking numbers as well; however, I picked a number for the total number of students instead of for the number of girls. I thought you would have to pick a number for the total and then use that to figure out how many girls there are and then subtract that amount from the total to get the number of boys. However, when I did that the ratio I ended up getting for boys to girls wasn't even an answer choice. For example, I picked the total to be 24 since that is a multiple of both 4 and 6. 1/6 of 24 is 4 and 24 - 4 is 20 so the ratio I got was 5:1. My question is, why do you pick a number for the girls and not for the total number of students?

Thank you.
You can pick a number for the TOTAL number of students. You just need to be careful.
Say there's a TOTAL of 24 students
1/4 of the number of girls is equal to 1/6 of the total number of students
1/6 of 24 = 4
This means 1/4 of the number of girls is equal to 4
In other words, there are 16 girls (since 1/4 of 16 = 4)
If 16 of the 24 students are girls, then the remaining 8 students are boys

So, BOYS:GIRLS = 8:16 = 1:2 = C
Brent Hanneson - Creator of GMATPrepNow.com
Image
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Newbie | Next Rank: 10 Posts
Posts: 7
Joined: Tue Aug 22, 2017 3:16 pm

by gmatstudent2017 » Sun Sep 03, 2017 9:42 am
Ahh, I see my mistake. Thank you so much for the explanation and clarification, Brent!
Brent@GMATPrepNow wrote:
gmatstudent2017 wrote:Hi GMATGuru,

I attempted to solve this problem by picking numbers as well; however, I picked a number for the total number of students instead of for the number of girls. I thought you would have to pick a number for the total and then use that to figure out how many girls there are and then subtract that amount from the total to get the number of boys. However, when I did that the ratio I ended up getting for boys to girls wasn't even an answer choice. For example, I picked the total to be 24 since that is a multiple of both 4 and 6. 1/6 of 24 is 4 and 24 - 4 is 20 so the ratio I got was 5:1. My question is, why do you pick a number for the girls and not for the total number of students?

Thank you.
You can pick a number for the TOTAL number of students. You just need to be careful.
Say there's a TOTAL of 24 students
1/4 of the number of girls is equal to 1/6 of the total number of students
1/6 of 24 = 4
This means 1/4 of the number of girls is equal to 4
In other words, there are 16 girls (since 1/4 of 16 = 4)
If 16 of the 24 students are girls, then the remaining 8 students are boys

So, BOYS:GIRLS = 8:16 = 1:2 = C
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1