Which number replaces the question mark?

In a certain code language, "C" is written as  "24" and "EYE" is written as "46". How is "THE" written in that code language? 

Find the next term in the given series.
 1200, 600, 300,  ?

Vimal is the son of Mikka, and Nina is the daughter of Milan. Milan is the sister of Mikka. Who is Milan to Vimal? 

Latika fills petrol in her car once in three days. This week if she puts petrol in a Wednesday, on which of the following days will she fill petrol in the following week? 

In a code language, EARN is written as 4073. What is the code for LIGHT? 

If the length and breadth of a rectangle are increased by 8 % and 12 % respectively, then by what percent does the area of that rectangle increase? 

There are four numbers in a set. The mean of the three smallest numbers is 9, whereas the mean of the three largest ones is 11. What is the range of the data set?