SSC CHSL 4 Mar 2018 Shift 3 Paper

Two trucks start from the same warehouse. Truck A goes 6 km North, then turns to its right and goes 4 km. In the meanwhile truck B goes 9 km East, then turns North and goes 6 km, then turns to its right and goes 4 km.
Thus, truck B is 9 km east with respect to truck A.