Staff Selection Commission Quantitative Aptitude — Question 473

Question

Circumference of circle radius 7 cm (π=22/7) = ?

1. 22 cm
2. 44 cm
3. 66 cm
4. 88 cm

Correct answer

B — 44 cm

Explanation (English)

2πr = 2×22/7×7 = 44

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