McGraw-Hill Education GRE 2019

After a 20% increase, the price of a computer is $3,000. What was the original price of the computer? SOLUTION: Let o = the orig ...

It would be wrong to think that the 20% changes cancel each other out and yield a value equal to the original value. This is so ...

Simple and Compound Interest Though tested rarely, these topics are worthwhile to learn if you are aiming for a high score. The ...

Exercise: Percentages Discrete Quantitative Questions 3.4 is what percent of 1,000? A 0.0034 B 0.034 C 0.34 D 3.4 E 34 For thi ...

A 30% increase in the price of a shirt is equivalent to $60. If the price of the shirt were reduced by 20% instead of increased ...

In a high school with 500 students, 15% of the students are freshmen. If 50 additional students enroll in the school, how many ...

For this question, write your answer in the box. Jack invests $5,000 at 4% compound annual interest. Rounded to the nearest uni ...

Quantitative Comparison Questions Each of the following questions consists of two quantities, Quantity A and Quantity B. You are ...

The price of home x is 80% of the price of home y. QUANTITY A QUANTITY B A B C D Exercise Answers Discrete Quantitative Questi ...

C You are asked to find the price of the shirt after a 20% decrease. In other words, you want to solve for 0.8 (original price) ...

In this case, the part is the number of freshmen after you add x. Of the 500 students, 15% were freshmen, so the original number ...

C When a Discrete Quantitative question has variables in the question and in the choices, consider plugging in numbers. In the ...

place values compare. Column A can be written as 0.73(29) and Column B can be written as 0.0029(7,300). 0.0029(7,300) = 0.73(29) ...

The above can be expressed as: “The ratio of sugar to salt to water is 3 to 2 to 4.” Ratios can be represented in a few differen ...

At a certain university, the ratio of doctoral students to master’s students is 3 to 5. If there are 9,000 doctoral students, ho ...

Step 3: Solve for the unknown: you are asked to solve for the amount of money allocated for marketing, so you must solve for 5x. ...

Step 1: Set up the given ratios: d c = 3 2 c b = 5 7 Step 2: Manipulate the ratios so that the quantity for the overlapping elem ...

Exercise: Ratios Discrete Quantitative Questions Which of the following equals the ratio of 3^13 to 2^12? A 1:3 B 2:5 C 5:2 D 3 ...

In a certain solution, the ratio of water to alcohol is 3:1. If water and alcohol combined make up half of the volume of the so ...

In a certain company, the dollar amounts budgeted for advertising, product development, and administration are 4:3:1, respectiv ...