Verbal Reasoning - Mental Ability Questions

While introducing a boy, Raju says, "He is the son of my wife's sister." How is the boy related to Raju?

In a certain code language, "NATURE" is written as "TANURE". How is "LISTEN" written in that code language?

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?

In a certain code language, “FAINT” is written as “DYGLR”. How is “METRO” written in that code language?

If C is coded 3 , DASH is coded as 32 , then DANCE will be coded as

If "A" denotes "multiplied by", "B" denotes "subtracted from", "C" denotes "added to" and "D" denotes "divided by", then

8 B 31 C 49 D 7 A 16 = ?

Pointing towards a lady in a photograph, Sushma says, "She is the mother of my grandfather's son". How is Sushma related to the lady in the picture?

A paper boy cycles 10 km East, then turns South and cycles 3 km, then turns West and cycles 6 km, then turns to his right and cycles 3 km. Where is he now with reference to his starting position?