My face from point A walks 100 m. to the North direction, then walks 60 m. to the South then walks 30 m. to the East and reaches at point B. Find distance and direction from point A to point B?

A man walks 10 km in north and turns right and walks 20 km. A gain he turns right and walks 50 km if he is 20 km west from the initial point. Now find that distance how much he walk from initial point. 

If AIR is called GREEN, GREEN is called BLUE, BLUE is called SKY, SKY is called YELLOW, YELLOW is called WATER and WATER is called PINK then what is the colour of clear SKY?

6 : 21 : : 3 : ?

Select the odd letters from the given alternatives.

5 : 30 :: 8 : ?

A prisoner introduced a boy who came to visit him to the jailor as “Brothers and sisters I have none, he is my father’s son’s son”. Who is the boy?

Select the correct option to replace question mark.
242, 343, 444, 545, ?