Aptitude Preparation for Campus Placement

Currently Playing: Aptitude Preparation for Campus Placements #14 | Number System | Quantitative Aptitude

Aptitude Preparation for Campus Placements #14 | Number System | Quantitative Aptitude This video is made by Akshita Agarwal Practice Questions : https://docs.google.com/document/d/1fFVy3frH4Gqamn3yc-yb20UjqSCGb6-PauNvrATC8Rs/edit?usp=sharing Points Covered: Divisibility Rules Best way to find if a number is prime Unit Digit when numbers are multiplied Unit digit for different Powers My Podcast Channel - https://youtube.com/@akshita_agarwal Insta Id - https://instagram.com/akshita_agarwal10?igshid=ZDdkNTZiNTM= LinkedIn Id - https://www.linkedin.com/in/akshita-agarwal10/ ========================================= Timestamps: 00:00 Intro 00:19 Divisibility Rules 03:32 Question 1 05:18 Prime Numbers 10:19 Question 2 10:55 Sigma series 12:00 Question 3 12:34 Some Formulae (Question 4) 14:16 Finding Unit Digit 20:09 Question 5 22:23 Outro =========================================