Free Practice Question
PS · Problem Solving
sub-505
Roots
If , what is the value of y?
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Explanation
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Official Explanation
Official
To solve for y, we start with the equation . First, we calculate , which equals 0.6. This gives us…
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Comments
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J
JoséJan 26, 2025
thanks for taking time to upload it!
R
RitikMar 29, 2024
cheers!
What this question tests
What it tests
Your handling of square and higher roots, including simplifying radicals.
Common trap
Forgetting the ± when taking a square root to solve an equation, or assuming √(a²) = a.
Related GMAT Topic Guides
Details
Difficulty
sub-505
Type
PS
Category