learn aptitude with questions and answers

This document contains links to YouTube videos providing aptitude training on various topics for campus recruitment exams. There are over 20 topics covered in separate videos, including ages, averages, calendars, clocks, combinations, cubes, directions, logic deductions, percentages, permutations, pipes and cisterns, problems on numbers, profit and loss, ratios and proportions, simple and compound interest, solid geometry, time and work, and time distances. The videos were created by someone who received coaching from Naresh Institute for CRT to help explain question types and approaches for campus recruitment exams.