most brilliant questions #shorts

There are 5 brilliant students in class XI and 8 brilliant students in class XlIl.Each class has 50 students.The odds in favour of choosing the class XI are 2:3. One of the classes is chosen randomly and then a student is randomly selected.Find the probability of selecting a brilliant student.

On a rainy day a small oil film on water shows brilliant colours. This is due to

Very short question answer

Very short question answer

Short Question answer

Short Question answer