In a code language, CRICKET in written as NSENTIK. How will TENNIS be written as in that language?

Sushant said "This girl is the wife of the grandson of my mother. How is Sushant to the girl? 

Dum-Dum : Kolkata :: Palam :?

The missing term in the series 6, 14, 30, __, 126, 254 is

Four pairs of letter-cluster have been given out of which three are alike in some manner, while one is different. Choose the odd one.

If COOL is coded as DQRP, then write the code for HOT

In a certain code language Sue Re Nik means She is brave, Pi Sor Re Nik means She is always smiling and Sor Re Zhi means Is always cheerful. What is the code used for the word “smiling”? 

Select the set of numbers that is similar to the following set of number.
(17, 25, 37)