Numerical Ability - Simplification & Approximation
Simplify: √75
Simplify: √75
medium Q5 of 15
Step-by-Step Solution
Step 1: Factor the radicand
75 = 25×3.Step 2: Extract perfect square
√75 = √25×√3 = 5√3.Final Answer:
5√3 → Option B.Quick Check:
5√3≈8.66; √75≈8.66 ✅
Quick Trick: Break number into perfect square × other factor.
Common Mistakes:
- Leaving answer unsimplified as √75.
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