SSC GD Constable previous year question
The difference between the circumference and the diameter of a circle is 12 cm. What is the area of the circle?
Asked in SSC GD Constable 2024: 22 Feb 2024 Shift 4 · Quantitative Aptitude
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Correct answer: (A) 24.64 cm²
2r(π−1) = 12 ⟹ using π=22/7: 2r×15/7=12 ⟹ r=2.8. Area = πr² = (22/7)×7.84 = 24.64 cm².
हिंदी में प्रश्न
एक वृत्त की परिधि और व्यास के बीच का अंतर 12 cm है। वृत्त का क्षेत्रफल कितना है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 25 cm?
2r(π−1) = 12 ⟹ using π=22/7: 2r×15/7=12 ⟹ r=2.8. Area = πr² = (22/7)×7.84 = 24.64 cm².
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