A train went 300 km city X to City at an average speed of 10 km/h. At what speed did it travel on the way back if its average speed for the whole trip was 120 km/h?
Created: 5 years ago |
Updated: 3 years ago
best des
100 km/h এ city X থেকে city Y তে যেতে সময় লাগে 300/100 ঘন্টা = 3 ঘন্টা
যাওয়া ও আসার জন্য মোট ভ্রমনের সময় লাগে = 300 × 2 /120 = 5 ঘন্টা
সুতরাং, ফিরতি
ভ্রমনের জন্য সময় থাকে = 5 - 3 = 2 ঘন্টা
তাহলে ফিরতি বেগ হলে = 300/2 km/h = 150km/h
Md Azizur Rahman
Founder of Satt
Related Question
View More
Created: 6 years ago |
Updated: 1 month ago
Created: 6 years ago |
Updated: 1 month ago
Created: 6 years ago |
Updated: 1 month ago
Created: 6 years ago |
Updated: 2 months ago
Promotion
Download Our Mobile Apps
