Mathematics
NULL
Medium
Question
Walking at 6 km/h a man would arrive at 9:00 am, but he walks slower and arrives at 10:00 am. If the distance is 12 km, at what speed did he walk?
A
5 kmph
B
4 kmph
✓ Official correct answer
C
4.5 kmph
D
3 kmph
Community credibility
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A
5 kmph
No member explanations yet for this option.
B
4 kmph
No member explanations yet for this option.
C
4.5 kmph
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D
3 kmph
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Explanation
At 6 km/h, time for 12 km = 2 hours, so he left at 7:00 am. Actual journey took 3 hours ⇒ speed = 12/3 = 4 km/h.