- A5
- B4
- C6
- D7
Step-by-Step Solution
Time difference = 10 min = 1/6 h. d/5 - d/6 = 1/6 gives d/30 = 1/6, so d = 5 km.
Answer: A) 5
Walking at 5 km/h a person reaches office 6 minutes late; walking at 6 km/h he reaches 4 minutes early. What is the distance to the office in km?
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