Question

A 35 years old male can run 1600 mitres in 5 minute and 30 seconds ?

Answer 1

Yes he can run of he is well trained for it and does regular exercise

Answer 2

1600meters=1.6 km
The old man can run 1.6 km in 5min 30secif he is well trained and is doing regular exercise.
But he also cannot run 1.6km in 5min 30sec because he may be get exhausted and have cramp in his muscles.
Therefore, he can or cannot run 1.6 km in 5 minutes and 30 second .