A train covers the first 160km at a speed of 120km/hr, another 160km at a speed of 140km/hr an...
3,261 views · Published 11 October 2018 · 4:25 · Indexed 6 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW A train covers the first 160km at a speed of 120km/hr, another 160km at a speed of 140km/hr and last 160km at 80km/hr. Find the average speed of the entire journey.
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