Question 668301
Jogger A = x km/h
Jogger B = ykm/h

jogging towards 
speed = (x+y)
D=2
..................... 12 mins = 1/5 hour
2/(x+y) =1/5

x+y =10.....................(1)

in same direction

speed = x-y

time = 2 hours

distance = 2

2/(x-y)=2
x-y =1...................(2)

add (1) & (2)
2x=11
x= 5.5 Jogger A speed

x+y=10
5.5+y=10
y=11-4.5
y=4.5 km/h         Jogger B speed