missing number for competitive exam shorts #shorts

Description OF Periods (all seven periods) || Maximum Number OF Elements in Given Period (short trick to remember) || Class Illustration with Short Tricks

Tense | Points To Remember | English For Competitive Exams | SSC | IBPS PO

JEE Mains 2020 - Short Trick To Find Rank Of A Word | Maths Time Saving Tricks For Competitive Exams