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? 

Select the odd word/letters/number/number pair from the given alternatives.

The speed of Duranto is more than the speed of Rajdhani. Shatabdi moves faster that GaribRath but slower than Rajdhani. Which one is the slowest?