"A train travel at an average of 50 mile per hour for `2 1/2`hours and then travels to a speed of 70
Channel: Doubtnut
Date: 05/04/2020

"A train travel at an average of 50 mile per hour for `2 1/2`hours and then travels to a speed of 70 miles per hour for `1 1/2`hors. How far did the train travel in the entire 4 hours?`120\ m i l e s`b. `\ 200\ m i l e s`c. `10\ m i l e s`d. `230\ m i l e s`"