What will be returned by the given query?

SELECT RIGHT("LEFT", 2) ; 

In the table 'Student' in MySQL, if column 'Fees' contains the data (5000, 8000, 7500, NULL, 5000, 8000), what will be the output after the execution of the given query?

SELECT COUNT(DISTINCT Fees) FROM student;

Identify the Single Row function of MySQL among the following:

1. Trim ()
2. Max ()
3. Avg()
4. Count()

What will be returned by the given query?

select round(23456.1234, -2) ;

1. 23456.00
2. 23400
3. 23500
4. 23456.1200