भिन्न एवं दशमलव | CLASS 7 गणित | 7 PM Class by Amit Sir | L4 | Hindi Medium | Doubtnut

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 .

Anuj Maurya - 90.7% - UP Board Class 10 - 2023

The probability that a student selected at random from a class will pass in Hindi is 4/5 and the probability that he passes in Hindi and English is 1/2 . What is the probability that he will pass in English if it is known that he has passed in Hindi ?