Hello
You can check questions of Arithmetic Progressions AP here https://www.teachoo.com/subjects/cbse-maths/class-10th/ch5-10th-arithmetic-progressions/ and https://www.teachoo.com/subjects/cbse-maths/class-11th/ch9-11th-sequences-and-series/
Written on June 10, 2018, 1:49 p.m.