In a certain language ‘PAPER’ is written as ‘UFUJW’. Then how ‘MOURN’ is coded?

Complete the series choosing the missing number:

3, 15, 63, 255, 1023, ______

QAR, RAS, SAT, TAU, ? 

In following question, a sequence is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
7, 12, 22, 42, 82, ?

In a certain code language, ‘GROUND’ is written as ‘BMJPIY’. What will be the code for ‘FREAK’ in that code language?

INTERNATIONAL 

In the following question, select the one which is different from other options.

I am facing south. I turn right and walk 20 m. Then I turn right again and walk 10 m. Then I turn left and walk 10 m and then turning right walk 20 m. Then I turn right again and walk 60 m. In which direction am I from the starting point