## 7 types of Number Series and it’s Rules

Number Series Rules with solved Problems Series is an important chapter from banking examination point of view. Following are some of the important rules or order on which the number series can be made :- Pure Series Difference Series Ratio Series Mixed Series Geometric Series Two Tier Arithmetic Series Other Types 1. Pure Series In this type of number series, the number itself obeys certain order so that the character of the series can be found out. The number itself may be. Perfect Square Example : 121, 144, 169, 225…

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