Staff Selection Commission Quantitative Aptitude — Question 277

Question

The diagonal of a square is 10√2 cm. Find its area

1. 100 sq.cm
2. 200 sq.cm
3. 50 sq.cm
4. 150 sq.cm

Correct answer

A — 100 sq.cm

Explanation (English)

Diagonal = side√2 = 10√2. Side = 10. Area = 100 sq.cm

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