Without stoppages, a train travels certain distance with an average speed of 250 km/h, and with ...

Without stoppages, a train travels certain distance with an average speed of 250 km/h, and with stoppages, it covers the same distance with an average speed of 125 km/h. How many minutes per hour the train stops ?

Quiz

Answer/Solution

30

Steps/Work

Due to stoppages, it covers 125 km less .
Time taken to cover 125 km = 125⁄250h = 1⁄2h
= 1⁄2 × 60 min = 30 min
Answer B

Physics Calculator / Auto Solver

Without stoppages, a train travels certain distance with an average speed of km / h, and with stoppages, it covers the same distance with an average speed of km / h. How many minutes per hour the train stops?

Calculated Answer

30

Step by Step Solution

In order to solve problem, you must evaluate 60 - n1 / n0 * 60.

n0 =250
n1 =125