- A20 min
- B2.7 min
- C12 min
- D4 min
Step-by-Step Solution
Sohan gains 3 km every hour; one lap of 1 km takes h min. (2.7 min uses the sum, 27 km/h.)
Answer: A) 20 min
Sohan cycles at 15 km/h and Mohan at 12 km/h the same way round a 1 km track, starting side by side. After how many minutes does Sohan first lap Mohan?
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