What is the area of the circular field

I. Area of the largest square that can be inscribed in the given square field is 2450 cm2.

II. Area of the smallest square in which the given circular field can be inscribed is 4900 cm2.

Directions (next five questions): These questions consits of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and choose the appropriate option.

Directions (next six questions): What should come in place of question mark (?) in the following number series ?