हीरोन का सूत्र | Class 9 NCERT गणित | 8 AM Class By Kamal Sir | L1 | Hindi Medium

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

9th Chemistry रासायनिक सूत्र कैसे बनाएं ? Chemical Formula Class 9 Tricks | Writing Chemical Formula

NEET 2020 - Revision In 60 Days | NCERT Class 12 Molecular Basis of Inheritance Part -1 | NEET Biology

NEET 2020 - Revision In 60 Days | NCERT Class 11 Biomolecules Part -1 | NEET Biology

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

NEET 2020 - Revision In 30 Days | NCERT Class 12 Chapter 1 Reproduction In Organisms - Quick Revision | NEET Biology

त्रिभुज का क्षेत्रफल |हीरोन का सूत्र|NCERT प्रशनावली|सारांश

NEET 2020 - Revision In 60 Days | NCERT Class 12 Principle of Inheritance and Variation Part -1 | NEET Biology

Ratio of First ,Second and Third Class train fares between two stations was 8:6:3 .First Class and Second Class train fares are reduced by 1/6 and 1/12 repectively .Ratio of no of passengers in first, second and third class in a year is 4:9:24 .From a stattion total sale of ticket of Rs. 355600 .First the amount collected from first class .

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 ?