alleryIf 3^x = 81, then x =
A2
B3
C4
D5
E6
Answer & Solution
Correct answer: C. 4
1. Identify what is being asked: this is a **Exponents And Radicals** question.
2. Apply the standard approach for this question type to evaluate each option.
3. The correct answer is **C. 4** — it satisfies the conditions of the stem.
_Source: GMAC Official 12 Sample Questions (mba.com)_
Keep practising Exponents And Radicals
Browse all Exponents And Radicals questions for GMAT, or explore more Quantitative Reasoning topics.