... 119 INTRODUCTION TO QUANTITATIVE ABILITY Prior to starting the exam, you will be carefully walked through a very basic tutor- ial program explaining how to use the computer for this exam. The ... quadrant I, they are both positive, so their sum is positive. Therefore, Column B is greater than Column A. The correct answer is B. • (a,b) • (x,y) (0,0) 123 Introduction to Quantitative Ability ... subtracted. Therefore, the column that is greater can be determined simply by comparing the “starting” values. The column with the larger “starting” value (the number being subtracted from) will yield the...