Rohit is brother of Ramesh's son's son, then how is Rohit related to Ramesh?

Naina's husband is the only son of his parents. How many maternal uncles are there of the children of Naina's real sister-in-law?

A man is facing North-West. He turns 180 degrees in the clockwise direction. In which direction he is facing now?

At the time of sunrise, Suresh was standing facing a pole. The shadow of the pole fell exactly to his right. To which direction was he facing?

Mohan walked 20 km towards North from his house. Then turning towards West he walked 10 km, then turning towards South he walked 5 km, then tell how much total distance Mohan covered?