Lesson 3 of 8 • 6 upvotes • 15:00mins

In this lesson I explained the sum of natural numbers and their applications and solved questions based on it.
8 lessons • 1h 41m
Overview (in Hindi)
3:51mins
Classification of Numbers (in Hindi)
13:05mins
Application of Sum of Natural Numbers (in Hindi)
15:00mins
Questions Based on Number of Digits and Sum of Natural Numbers (in Hindi)
13:58mins
Questions Based on Product of Natural Numbers (in Hindi)
11:16mins
Unit Digit and Last Two Digits of Square of Any Number (in Hindi)
14:29mins
Square upto 1000 - 1 (in Hindi)
14:50mins
Square upto 1000 - 2 (in Hindi)
15:00mins