self Maths Puzzle

Omesh travelled of his journey at 60 km/h. For the remaining 25 km he travelled at 30 km/h. How much time did he take for the whole journey?

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self Other Question

A train left Town A at 8:50 a.m., it passed Town B at 9:30 a.m. and arrived at Town C at 10:30 a.m. The distance between Town A and Town B is 100 km. Between Town B and Town C, the train travelled at 110 km/h. What was the average speed of the train for the whole journey? Rani took 30 minutes to cycle from school to her home at an average speed of 12 km/h. If she wanted to reach home 10 minutes early, what must her average speed be?