self Maths Puzzle

Arvind left home at 12.10 p.m. and walked to his grandmother's house. He walked at an average speed of 95 m/min. He arrived at 12:25 p.m. What is the distance between his house and his grandmother's house?

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self Other Question

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? A car is travelling at a speed of 50 km/h. How long will it take to travel a distance of 175 km?