JEE 2021 | सांतत्य तथा अवकलनीयता - L10 | Class 12 गणित | Hindi Medium | Amar Sir | 8 PM

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

The number of students in classes A and B are 60 and 70, respectively. The average score in mathematics of students in B is 57 and that of all students in A and B is 63. What is the average score of students in A? कक्षा A और B में छात्रों की संख्या क्रमश: 60 और 10 है | B में गणित में छात्रों का औसत अंक 57 तथा A और B के सभी छात्रों का गणित में औसत अंक 63 है |A के छात्रों का औसत अंक ज्ञात करें |

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

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L1 English Medium

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L2 English Medium

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L3 English Medium

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

For and EMWave . E= E_(0) sin 12 xx 10^(6) [X -2 xx 10^(8) t ] (N)/(C ) in a medium then its refractive index is -

In class 12 there are 8 students. In class 11 there are 6 students .In class 10 there are 5 students . Total ways of selecting 10 students , such that there are at least 2 students from each class and at most 5 students from 11 students of Class 10 and 11 combined is 100k. Then find value of k