Latest book Aptitude Question SOLUTION: The difference between 1/4 of a number and 1/6 of the same # is 18. Which equation shows the correct relationship? 1.1/4x-1/6x=18 2.1/4x=1/6x=18 3.1/4x+18=1/6x 4.1/6x-18+1/4x=18 5.