If Shubhangi walks with a speed of 2 km/hr, then she reaches her school 5/2 minutes late but if she walks with a speed of 2.5 km/hr, then she reach 5 minutes before the scheduled time. What is the distance (in km) of her school from her house?
A
1.025
B
1.125
C
1.25
D
1.5
Correct Answer: 1.25