Lesson 7 of 8 • 41 upvotes • 7:15mins
In this lesson, I have explained best method for finding HCF. Each and every question discussed is directly from previous years papers..if you are preparing for any exam in which number system is a pivot then it's gonna be the best tool for you. Also some questions are provided at the end of practice which makes you more familiar with the questions that have been discussed in the lesson.
8 lessons • 56m
Overview: Understanding Number System
2:17mins
How to find Number of Zeroes at the End
8:16mins
Difficult Questions: Finding Number of Zeroes
8:36mins
How to Find Unit Digit of a Number
8:28mins
How to Deal with Recurring Decimal Fractions
7:28mins
Divisibility of a Number
5:59mins
How to Find HCF
7:15mins
Miscellaneous Problems on Number System
8:11mins