medium · GMAT Quant
A two-digit integer uses two different digits. The tens digit is nonzero.
How many such integers have digit sum exactly 8?
- 7
- 8
- 6
- 9
- 12
Sign up free to see the explanation and track your rank →
More GMAT Quant practice
- Including both endpoints, how many distinct integer price points are in this range?
- Which of the following expressions must result in a positive value?
- Which property of arithmetic justifies that first step?
- Which of the following must also be an even integer?
- Which of the following inequalities correctly represents this range?
- Which of the following includes the number 0?
- How many unique meal combinations can a customer create?
- What is the probability that the lightbulb is functional?