Seventeen people are standing in a straight line facing south What is Bhavna's position from the left end of the line ? I. Sandeep is standing second to the left of Sheetal. Only five people stand between Sheetal and the one who is standing at the extreme right end of the line. Four people stand between Sandeep and Bhavna. II. Anita is standing fourth to the left of Sheetal. Less than three people are standing between Bhavna and Anita.

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.