Question

A train leaves Delhi station at 0530 h and reaches Patna at 1700 shame day what was the average speed of the train if distance between Delhi and Patna is 620 km and total stoppage time at different station was one hour ten minutes ​

Answer 1

total time 13.30 h

subtract stoppage time 13.30 - 01.10

12.20

so speed = d/t

620/12.20

620 ×3 /37

50.30km/h