Number Theory

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Number Theory is most basic and very important part of any exam. It includes all the rules that can be applied directly on numbers.

To understand Numbers, we will divide topic into following:-

1.Classification of Numbers (Link)

2.Divisibility of Numbers (Link)

3.HCF and LCM (Link)

4.Operations on Numbers

5.Indices and Surds (Link)

6. Miscellaneous

CAT is likely to have approximately 15% of questions from Number systems in Quant.