CAT Exam Notes: How to find the last two digits

Finding out last two digits of a number is a skill that will help you not only solve some tough questions but quickly eliminate a few wrong options as well. Also, it is a skill that you can develop and master in less than 15 minutes. All you need to do is to remember a few rules and the rest will follow. Funda 1: A number ending in 1 Last two digits of (…a1)^(…b) will be [Last digit of a*b]1 Ex 1.1 Last two digits of 491^83 = [Last digit…

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