Railway Recruitment Board Mathematics — Question 1722
Question
What is the area of a circle whose radius is 7 cm? (Take π = 22/7)
- 154 cm²
- 144 cm²
- 148 cm²
- 164 cm²
Correct answer
A — 154 cm²
Explanation (English)
Area = πr² = (22/7) × 7 × 7 = 22 × 7 = 154 cm².
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