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To travel 816 km, an Express train takes 9 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 4 hours less than
Rajdhani. What is the speed of Rajdhani?
Rajdhani. What is the speed of Rajdhani?
- A48 km/hr
- B62.8 km/hr
- C33.2 km/hr
- D77.5 km/hr
Answer not set