The area of the greatest circle, which can be inscribed in a square whose perimeter is 120 cm,is :

The area of the greatest circle, which can be inscribed in a square whose perimeter is 120 cm,is :
1). $\frac{22}{7}\times (15)^{2}$ sq.cm.
2). $\frac{22}{7}\times (\frac{7}{2})^{2}$ sq.cm.
3). $\frac{22}{7}\times (\frac{15}{2})^{2}$ sq.cm.
4). $\frac{22}{7}\times (\frac{9}{2})^{2}$ sq.cm.

SSC CGL Books

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (1+2)
Submit:

Other Questions

1. ABCD is parallelogram. P and 0 are the mid-points of sides BC and CD respectively. If the area of $\triangle ABC$ is 12sq.cm., then the area of $\triangle APQ$ is

2. If the radii of two spheres are in the ratio 1:4, then their surface area are in the ratio:

3. The radius of base of a right circular cone is 6cm and its slant height is 10cm. Then its volume is (use Π = 22/7 )

4. The volume of a cubical box is 3,375 cubic metres. The length of edge of the box is

5. If the surface areas of two spheres are in the ratio 9 : 16. the ratio of their volumes is

6. Two equal circles are drawn in square in such a way that a side of the square forms diameter of each circle. If the remaining area of the square is 42 cm2, how much will the diameter of the circle measure? (in centimetre)

7. The curved surface area and the height of a right circular cylinder are 660 cm2 and 10 cm respectively. Find its diameter (in cm).

8. In $\triangle PQR$, PS and PT are bisectors of $\angle QPR$ and $\angle QPS$ respectively. If $\angle QPT$ = $30^{0}$, PT = 9 cm and TR = 15 cm, then what is the area (in cm2) of $\triangle PTR$ ?

9. What would be the area of a circle whose circumference is 35.2 cm?

10. A cylindrical rod of iron whose height is eight times its radius is melted and cast into spherical balls each of half the radius of the cylinder. The number of such spherical balls is