एक पहिये का व्यास 84 सेमी है। 792 मीटर की दूरी तय करने में इसे कुल कितने चक्कर लगाने होंगे?

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RRB ALP Previous Paper 5 (Held On: 10 Aug 2018 Shift 3)
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  1. 300
  2. 350
  3. 330
  4. 320

Answer (Detailed Solution Below)

Option 1 : 300
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Detailed Solution

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पहिये का व्यास = 84 सेमी 

पहिये की त्रिज्या = 42 सेमी

पहिये की परिधि = 2πr

दूरी = 792 मीटर = 79200 सेमी

चक्करों की संख्या, n = दूरी /2πr

⇒ n = 79200/ (2 × 22/7 × 42)

∴ चक्करों की संख्या, n = 300
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