Question

excluding stoppages the speed of a bus is 54 km/hr and including stoppages it is 45 km/hr. for how many minutes does the bus stop per hour? select one: a. 12 b. 10 c. 9 d. 20

Answer 1

Hii..
Here is your answer..

Solution:-
Excluding stoppage speed is 54km/h
Including stoppage speed is 45km/h

So,
Due to stoppages it travelled
$= > 54 - 45 \\ = > 9km \: less$
Now,
Time taken to cover 9km =
$= > \frac{9}{54} \times 60 \\ = > 10min$
Hope it helps uh...✌️✌️✌️