4. In a flight 600 kms, an aircraft was slowed down due to bad weather and the average speed was reduced by 200 km/hour and the time of flight increased by 30 minutes.What is the total duration of flight? September 20, 2025 by Admin A. 1 Hour B. 2 Hour C. 3 Hour D. 4 Hour ✅ The correct answer is option 4 Hour.
