Area and Perimeter practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.
A wheel has a diameter of 70 cm. How much distance will it cover in 200 complete revolutions? Use π = 22 7.
एक पहिए का व्यास 70 cm है।
वह 200 पूर्ण चक्करों में कितनी दूरी तय करेगा? π = 22
7 का प्रयोग कीजिए।
Answer and explanation are free to read — no sign-in required.उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।
Correct Answerसही उत्तर
C. 440 mC. 440 मीटर
Explanationव्याख्या
Circumference = πd = 22
7 × 70 = 220 cm.
Distance in 200 revolutions = 220 × 200 = 44000 cm = 440 m.
पहिए की परिधि = 22
7 × 70 = 220 cm।
200 चक्करों में दूरी = 220 × 200 = 44000 cm = 440 m। ---
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