Find the missing number from the given figure?

Sonia left her house and went 4 km east then she turned left and walked 6 km. Then she turned right and walked 4 km. How far is he from the departure point?

Choose odd one out term among the following series:
 275, 396, 385, 891, 932

Some friends are sitting on a bench. Anil is sitting near Anita and Ajay is sitting near Rekha. Rekha is not sitting with Amit. Amit is sitting at the left end of the bench and Ajay is sitting at the second position from the right end. Anil is sitting at the right side of Anita and Amit as well as. Anil and Ajay are sitting adjacent to each other.

Where is Amit?

If HEROISM is coded as SVILRHN, then how will ALP be coded as?

If 'black' means 'pink', 'pink' means 'blue', blue means 'white', 'white' means 'yellow', 'yellow' means 'red' and 'red' means 'brown', then what is the colour of clear sky ? 

Dum-Dum : Kolkata :: Palam :?

Which number will come in the place of question mark?
45, 55, 66, 78, 91, ?