Quant Question of the Day Chat

Nov 09 - Data Sufficiency

A group consisting of several families visited an amusement park where the regular admission fees were ¥5,500 for each adult and ¥4,800 for each child. Because there were at least 10 people in the group, each paid an admission fee that was 10% less that the regular admission fee. How many children were in the group?

(1) The total of the admission fees paid for the adults in the group was ¥29,700
(2) The total of the admission fees paid for the children in the group was ¥4,860 more than the total of the admission fees paid for the adults in the group.

Source: Official Guide | Difficulty: Medium




Nov 09 - Data Sufficiency - 1

A group consisting of several families visited an amusement park where the regular admission fees were ¥5,500 for each adult and ¥4,800 for each child. Because there were at least 10 people in the group, each paid an admission fee that was 10% less that the regular admission fee. How many children were in the group?

(1) The total of the admission fees paid for the adults in the group was ¥29,700
(2) The total of the admission fees paid for the children in the group was ¥4,860 more than the total of the admission fees paid for the adults in the group.

Source: Official Guide | Difficulty: Medium

Hey can someone please go through my quant and help me with what I can do !

Hey Kevin, While people help you out here. Wanted to check if you have shared the ESR under the General Question and Strategies Forum. Tag few experts to have them review as well. Link: general-gmat-questions-and-strategies-1/

Yes, we have a dedicated ESR Review topic if you want to visit that one and see what kind of feedback you can expect: esr-analysis-253148.html

Also, for some self-help and analysis, here is a GMAT Ninja’s topic: https://www.gmatninja.com/gmat/articles ... ore-report How to self-analyze your ESR 🤷‍♂️

Hey

Guys

I have to give my gmat in 30-33 days

Any tips on how can I get a 680-700

Hi. Are you looking for quant tips?

It is pretty low quality question to say how can I get 680-700. Imagine someone asks you how can I get to Paris. I have $200.... how do you help them? For one, you don’t know where they are

Hey StonkTrader69

That’s a very broad question .

If you’re planning to give GMAT in the next 30 days, I assume that you’re done with the basics. Identify the areas that require further polish. If you’re maintaining an error log that can serve as your starting point.

The forum has everything you need and there isn’t much that I can add that has already not been spoken of. So here are some of the advice given by experts / members that you may consider reading -
Quant Specific:
How to Improve Your Timing on the GMAT
Careless Mistakes on GMAT Math
Verbal Specific:
How to Improve Verbal from V30 to V40
How to eliminate options quickly in GMAT Verbal?
Invaluable tips by GMATNinja - if you planning for a higher score
From great (V40?) to incredible (V45?!) on GMAT SC
From great (Q47?) to incredible (Q51?!)
If there are any topic specific question feel free to post them here.

Happy day before Friday folks, Topic of the day is back

In continuation to the topic posted on Tuesday, here is the second part to the topic - Statistics

Solve any Median and Range question in a minute
Posted by: eGMAT

As always, we will focus few questions on Statistics today. Happy reading everyone !

Happy day before Friday folks, Topic of the day is back

In continuation to the topic posted on Tuesday, here is the second part to the topic - Statistics

Link: Solve any Median and Range question in a minute
Posted by: eGMAT

As always, we will focus few questions on Statistics today. Happy reading everyone !

Problem Solving - Question 1

Set R contains five numbers that have an average value of 55. If the median of the set is equal to the mean, and the largest number in the set is equal to 20 more than three times the smallest number, what is the largest possible range for the numbers in the set?

A. 78
B. 77 1/5
C. 66 1/7
D. 55 1/7
E. 52

Source: Manhattan | Difficulty : Hard

Hi does anybody have any pointers on how to get better at geometry? I struggle a lot at it, i do know the concepts but the application is what I am weak it. I am open to any book/video suggestions to bring myself upto speed.

Check geometry chapter in our Ultimate GMAT Quantitative Megathread: https://gmatclub.com/forum/ultimate-gma ... 44512.html You can find theory articles as well as collections of questions on geometry.

Hope it helps.

Okay, will see both. Thanks kapil and bunuel.

Data Sufficiency - Question 1

Is the standard deviation of set X greater than the standard deviation of set Y?

(1) Set Y consists of 3 different negative integers.
(2) The range of set X is 0.

Source: GMATPrepNow | Difficulty : Hard

straightforward DS statements but clever question stem..... option B ?

B ?

Awesome AbhinavKumar ChandlerBong ! This is indeed a tricky one. Do you want to share your approach ?

Problem Solving - Question 2

Three people each took 5 tests. If the ranges of their scores in the 5 practice tests were 17, 28 and 35, what is the minimum possible range in scores of the three test-takers?

a 17
b) 28
c) 35
d) 45
e) 80

Source: GMAT Club Tests | Difficulty: Medium

B. The minimum value of SD of any set can only be zero (since SD is the square root of a square, so essentially is an absolute value) Now see how the question is worded - Is the SD of Set X greater that that of Set Y? If the SD of Set X is zero, we can definitely say it’s NOt greater, without knowing anything about set Y! Tricky!

This question is structured to punish one who doesn’t read and analyse carefully. Since prima-facie B appears to be quite insufficient