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Q: Ravi starts for his school from his house on his cycle at 8:20 a.m. If he runs his cycle at a speed of 10 km/h, he reaches his school 8 minutes late, and if he drives the cycle at a speed of 16 km/h, he reaches his school 10 minutes early. The school starts at:
  • A. 8:50 a.m.
  • B. 9: 40 a.m.
  • C. 8:40 a.m.
  • D. 9 : 00 a.m.
Correct Answer: Option D -
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Explanations:

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