पूर्णांक | CLASS 7 गणित | 7 PM Class by Amit Sir | L4 | Hindi Medium

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L4 English Medium

Acids,Bases and pH - Class 10 Science | 7 PM Master Class By Vipin Sir

Class 11 के बाद क्या ? Class 12 Hindi Medium की पढ़ाई साल के शुरू से कैसे करें ?

The ratio of the number of students of three class is 2:3:5 .If 20 students are added in each class then the ratio becomes 4:5:7 .Find the number of student in each class before adding .

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am