Permutations And Combinations | JEE | Class 11 Maths| 4PM Class By Pallavi Ma'am | L9|English Medium

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

JEE Main Maths | How To Revise Class 11 Maths in 1 Month ?

JEE Mains - Standard Equation Of Parabola | Parabola - Lecture 1 | Class 11 Maths

How To Revise Class 11 in 4 Months For JEE Mains And Advanced ?

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

The average age of 30 students of a class is 14 years 4 months. After admission of 5 new student in the class the average becomes 13 years 9 months. The youngest one of the five new students is 9 years 11 months old. The average age of the remaining 4 new students is :