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?

Statements: 

All cups are plates. 

Some plates are glass. 

Conclusions: 

I. Some glasses are cups. 

II. All glasses are cups. 

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

In the following question , a series is given with one terms missing . Choose the correct alternative from the given ones that will complete the series :

96, 109, 134, 175, ?

25 : 81 : : 36 : ?

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?

In the given figure, how many metallic balls are also heavy?