- A20 km/h
- B18 km/h
- C22 km/h
- D25 km/h
Step-by-Step Solution
With the start, Bhupen's last 100 m is exactly what he needs 20 s for: 5 m/s, so he takes 200 s for 1 km. Ashwin takes 180 s: m/s km/h.
Answer: A) 20 km/h
Over 1 km, Ashwin beats Bhupen by 20 seconds. If Ashwin instead gives Bhupen a 100 m start, the race is a dead heat. What is Ashwin's speed?
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