Profit and Loss Topic is very important for almost every competitive exam like Bank PO , SSC CGL, CAT, CSAT. By traditional method it becomes very lengthy and complex to solve different kinds of problem based on Profit and Loss. In this video I am discussing the smart approach to solve Profit and Loss Problem and it will take hardly 20 sec.
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▶Trick for periodic table :-https://youtu.be/91tewU31Fgg
