Question : A copper wire is bent in the form of a square and it encloses an area of 30.25 cm². If the same wire is bent to form a circle, then find the area of the circle.
[Use $\pi=\frac{22}{7}$]

Option 1: 38.50 cm²

Option 2: 42.25 cm²

Option 3: 35 cm²

Option 4: 30.25 cm²

Question : If a right circular cone of height 24 cm has the circumference of its base 42$\pi$ cm, then the volume of the cone is: (Use $\pi=\frac{22}{7}$)

Option 1: 15211 cm³

Option 2: 11088 cm³

Option 3: 12034 cm³

Option 4: 21011 cm³

Question : The perimeter of a minor sector of a circle of radius 5 cm is 15.5 cm. Find the area of the minor sector (use $\pi=\frac{22}{7}$ ).

Option 1: 17.53 cm²

Option 2: 13.75 cm²

Option 3: 13.57 cm²

Option 4: 17.35 cm²

Question : Find the area of the circle whose circumference is 22 cm.

Option 1: 38.5 cm²

Option 2: 42 cm²

Option 3: 30 cm²

Option 4: 77 cm²

Question : Two parallel lines touch the circles at P and Q. The area of the circle is 154 cm². Find the length of PQ (Take $\pi=\frac{22}{7}$)

Option 1: 85.2 cm

Option 2: 14 cm

Option 3: 7 cm

Option 4: 77 cm