Two friends start running in opposite direction from the same friends 2 km per hour faster than the other after 1 hour they are 10 km apart what is the speed of both ?

A ) 2km/h , 4km/h

B ) 4km/h , 6km/h ✅

C ) 5km/h, 7km/h

D ) 1 km/h , 3km/h