- Step 1: Use time formula. Time = \frac{\text{Distance}}{\text{Speed}}.
- Step 2: Calculate. Distance = 300 km, Speed = 60 km/h. Time = \frac{300}{60} = 5 hours.
- Step 3: Verify. Distance = Speed \times Time = 60 \times 5 = 300 km.
- Step 4: Check options. Options: (1) 4, (2) 5, (3) 6, (4) 7. Time = 5 matches option (2).
- Step 5: Conclusion. Option (2) is correct.