Directions for the below question.
Cities A and B are in different time zones. A is located $3000$ km east of B. The table below describes the schedule of an airline operating non-stop flights between A and B. All the times indicated are local and on the same day.
| Departure |
|
Arrival |
|
| City |
Time |
City |
Time |
| B |
$8:00$ am |
A |
$3:00$ pm |
| A |
$4:00$ pm |
B |
$8:00$ pm |
Assume that planes cruise at the same speed in both directions. However, the effective speed is influenced by a steady wind blowing from east to west at $50$ km per hour.
What is the time difference between A and B?
- $1$ hour $30$ minutes
- $2$ hours
- $2$ hours $30$ minutes
- $1$ hour
- cannot be determined