Ram walked at 5 km/hr for certain part of journey and then he took a train for the remaining part of journey travelling at 50 km/hr. If he took 6 hours for the entire journey then find time journey he travelled by train if average speed was 24 km/hr?

Ram walked at 5 km/hr for certain part of journey and then he took a train for the remaining part of journey travelling at 50 km/hr. If he took 6 hours for the entire journey then find time journey he travelled by train if average speed was 24 km/hr?
1). 140/50
2). 139/50
3). 138/50
4). 137/50

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