Comparison of square roots: Which is smaller, √81 or √1?
Aptitude
Order of Magnitude
Difficulty: Easy
Choose an option
Answer
Correct Answer: √1
Explanation
Introduction / Context: Basic comparison of square roots of perfect squares.
Given Data / Assumptions: Compare √81 and √1.
Concept / Approach: Compute both values directly.
Step-by-Step Solution: √81 = 9.√1 = 1.Thus the smaller value is √1.
Verification / Alternative check: None needed beyond direct evaluation.
Why Other Options Are Wrong: √81 is larger; they are not equal.
Common Pitfalls: None significant here.
Final Answer: √1