Which direction is All facing ? I. If Ken who is currently facing East turns 90d towards his right he would face a direction exactly opposite to the direction which Ali is facing. II. It Priya who Is currently facing South turns left walks 1 m and then takes a left turn again she would face the same direction as Ali.

Data sufficiency questions are designed to check your ability to analyse & categorise information based on underlying concepts rather than calculations. So you should try to observe -  analyse and to find linkages between various statements rather soing lengthy calculations.