Kriti is going home from her office and is driving at a
speed of 50 km/h like any usual day. Suddenly it starts
to rain so she reduces her speed to 25 km/h. After
it stops raining, she drives at a speed of 75 km/h to
cover the remaining distance of 25 km and reached
home on her regular time. How long does it rain?
A10 minutes
B20 minutes
C25 minutes
D30 minutes