X drives 30 km south, then turns right and drives 30km, then turns left and drives 20 km and then turns left and drives 30 km. How far is X from his/her initial position?
A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. XIIIII, IXIIII, IIXIII, IIIXII,IIIIXI, ?
A pilot takes off and flies 35 km West then, it turns South and flies 15 km, then it turns to its left and flies 20 km, then it turns north and flies 15 km. Where is the plane now with respect to its starting position?