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In these videos we discuss different concepts including relative speeds, average speeds, different units for measurement of speed, time and distance and the conversions of these units. We also talk about linear and circular races, motion against force, elevators and other related ideas.

These videos belong to the Arithmetic section of Quantitative Aptitude for the Common Admission Test (CAT). Please note that CAT 2009 is going to be online and a computer based test.