Number Series Lesson: Slope Method Part 1 (in Hindi)
Lesson 2 of 5 • 78 upvotes • 14:09mins
Amar Sir
RRB PO PRE- 2017: 09/09/2017: Memory based: All Shifts: Q. No.01-03: Solved uniquely: "Slope" method is ultimate method to solve any question of Number Series of any competitive exam.