GMAT Section 2 Quantitative practice questions, page 11 of 29, with answer review and explanations.
Question 51
If it costs d dollars to make the first 100 copies of a poster and e dollars for each poster after that, what is the total cost of 125 posters?
25d + 100e
100d + 25e
125de
d + 25e
125/de
Question 52
If the volume of a cube is x3 cubic units, what is the number of square units in the surface area of the cube?
x2
x3
x6
6x2
6x3
Question 53
If x – 3 is a multiple of two, what is the next larger multiple of two?
2x
x – 2
x – 1
x – 5
x + 2
Question 54
If 3x + 1 = 81, then x – 1 =
2
3
4
9
27
Question 55
For dinner at a restaurant, there are x choices of appetizers, y + 1 main courses, and z choices of dessert. How many total possible choices are there if you choose 1 appetizer, 1 main course, and 1 dessert for your meal?