Civil Service Exam Reviewer · Basic Operations · medium

Evaluate: √400 + √169

1. 23.85
2. 569
3. 260
4. 33

Answer

D. 33

Solution

√400 = 20 and √169 = 13; 20 + 13 = 33. (Note: √x + √y ≠ √(x + y).)

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