GMAT Data Sufficiency- 50 Original Qs - Solved And Explained
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GMAT Data Sufficiency- 50 Original Qs - Solved And Explained

50 solved practice questions, from a team with average GMAT score = 770
5.0 (1 rating)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
375 students enrolled
Created by Loony Corn
Last updated 5/2017
Current price: $10 Original price: $50 Discount: 80% off
5 hours left at this price!
30-Day Money-Back Guarantee
  • 6 hours on-demand video
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • Ace the Data sufficiency questions on the GMAT!
  • Identify the common types of Data sufficiency questions on the GMAT, and know what techniques to apply
View Curriculum
  • Students should be preparing for the GMAT - this course is specifically geared towards that test

The Data Sufficiency questions on the GMAT are cunning- an unusual term to apply to a question type, but one that fits! Never fear - honest practice wins over cunning every day of the week.

  • Questions can be cunning - particularly so on the Data Sufficiency parts of the GMAT! The test-setters almost hope that you will commit the rookie error of trying to actually solve these questions.
  • Rookie errors can cost you your dream of studying a top business school. If you actually set out to solve a data sufficiency problem, and find a specific solution, your score will sink, and so will your prospects of MBA glory.
  • Honest practice beats cunning every day of the week - Just practice enough, and avoiding these rookie errors will become a part of 'muscle memory'. Honest practice is all it takes, honest.

What's covered

  • 50 high-quality Data Sufficiency problems, original, and prepared to span the range of such questions on the GMAT.
  • 6 hours of step-by-step reasoning, so you can learn to think like the test-setters.
  • Visual highlights so that you really get why alternatives are right or wrong.

Using discussion forums

Please use the discussion forums on this course to engage with other students and to help each other out. Unfortunately, much as we would like to, it is not possible for us at Loonycorn to respond to individual questions from students:-(

We're super small and self-funded with only 2 people developing technical video content. Our mission is to make high-quality courses available at super low prices.

The only way to keep our prices this low is to *NOT offer additional technical support over email or in-person*. The truth is, direct support is hugely expensive and just does not scale.

We understand that this is not ideal and that a lot of students might benefit from this additional support. Hiring resources for additional support would make our offering much more expensive, thus defeating our original purpose.

It is a hard trade-off.

Thank you for your patience and understanding!

Who is the target audience?
  • Yep! Anyone preparing to take the GMAT
  • Yep! Anyone looking to level the playing field in the quantitative section
  • Yep! Anyone that finds quant incredibly confusing, and would like simple, crisp explanations
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Curriculum For This Course
51 Lectures
You, This Course and Us
1 Lecture 01:31
Section I - 1 to 5
5 Lectures 26:56

The box of profit

A class doesn't know the number of students

Let's see if n as a combination is an integer as well
Section II - 6 to 10
5 Lectures 30:54
Making x, y and z valuable

4 friends have trouble with money

What's the angle to a triangle?

Blue pens, red pens and a box full of pens

The postiveness in x
Section III - 11 to 15
5 Lectures 40:42
Symmetrical connections between A, B and C

A squared out value for differences of x and y

Sam and Pam are off to the races

Slope to slip out y-intercept

2 integers and their modular value
Section IV - 16 to 20
5 Lectures 39:58
Triangle enclosed in a semi-circle

A sequence a multiplies itself

Three numbers united are greater than a single one.. always?

The modulus twist in finding the greater value

A mean set of postive n
Section V - 21 to 25
5 Lectures 41:25
The triangular affair of ABC with PQR

ABC and PQR connect, yet again

A quadrilateral confusion

Quadrant of a point from modular equations

End of season sale : Discounts available
Section VI - 26 to 30
5 Lectures 36:08
How many solutions are there to a problem?

Equal remainder from division of two numbers

A tank sized capacity

Rectangles try to check if they measure same

Squaring off the square differences
Section VII - 31 to 35
5 Lectures 27:04
Huge equation of Z is figuring out its value

Z is pretty valuable, not zero

Test of evens

Mary goes the distance

Connection of price and units
Section VIII - 36 to 40
5 Lectures 33:39
Making sense of inequalities of z

x is lost in an equation

x and y are finding their quadrant

Defining the relationship of X and Y

Terminating the decimal in X
Section IX - 41 to 45
5 Lectures 41:32
More power to a

The story of a time when n was divided

John goes back and forth

Confusion in the fission of a reaction

The percentage story of x,y and z
1 More Section
About the Instructor
Loony Corn
4.3 Average rating
5,412 Reviews
42,361 Students
75 Courses
An ex-Google, Stanford and Flipkart team

Loonycorn is us, Janani Ravi and Vitthal Srinivasan. Between us, we have studied at Stanford, been admitted to IIM Ahmedabad and have spent years  working in tech, in the Bay Area, New York, Singapore and Bangalore.

Janani: 7 years at Google (New York, Singapore); Studied at Stanford; also worked at Flipkart and Microsoft

Vitthal: Also Google (Singapore) and studied at Stanford; Flipkart, Credit Suisse and INSEAD too

We think we might have hit upon a neat way of teaching complicated tech courses in a funny, practical, engaging way, which is why we are so excited to be here on Udemy!

We hope you will try our offerings, and think you'll like them :-)