# Free GRE Practice Questions

Question 1 of 1
ID: GRE-NEQ-17
Section: Quantitative Reasoning - Numeric Entry
Topics: Numbers; Sequences; Unit digit
Difficulty level: Medium

(Practice Mode: Single selected Question » Back to Overview)

Between 1 and 90, how many integers $n$, when raised to the power of 3, will return $3^n$ with unit digit 9?