Question:
2 hrs at 60 km/hr and 80 km at 40 km/hr. Find average speed.
2 घंटे 60 km/hr से और 80 km 40 km/hr से। औसत चाल ज्ञात कीजिए।
Options:
- 50
- 59
- 55
- 47
- 50
- 59
- 55
- 47
Correct Answer: Option A
Explanation:
Detailed Explanation: Average speed = 50 km/hr.
विस्तृत व्याख्या: कुल दूरी = 200 km, समय = 4 घंटे → 50 km/hr.