- A3 m/s
- B4 m/s
- C2.6 m/s
- D3.5 m/s
Step-by-Step Solution
Pankaj's total gain m in 300 s: relative speed 4 m/s. Qadir m/s. (4 m/s is the relative speed.)
Answer: A) 3 m/s
Pankaj and Qadir set off together on a 500 m track in the same direction. Pankaj runs at 7 m/s. After 5 minutes Pankaj has lapped Qadir twice and is a further 200 m ahead. What is Qadir's speed?
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