Given :
Speed of the bicycle= 2 m/s
Time taken by Seems to reach school from her house
=15 minutes = 15 × 60 s = 900 s
We know that speed = distance / time
Hence
Distance = Speed × time
= 2 m/s × 900 sec
= 1800 m
=1.8 km
Distance between Seems house and school =1.8 km