It takes 48 minutes for a train to reach Rangia from Guwahati at 60 km an hour. If the speed of the train is reduced by 20% on ret

It takes 48 minutes for a train to reach Rangia from Guwahati at 60 km an hour. If the speed of the train is reduced by 20% on return then it will take time to reach Guwahati from Rangia
a) 50 mnt, b) 60 mnt, c) 55 mnt, d) 65 mnt​

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