Answer the following questions
Section-A
1. Find the value of the polynomial 2x + 5 at x = – 3.
2. Find the volume of a sphere whose surface area is 616 sq. cm.
3. A joker’s cap is in the shape of a right circular cone with base radius 7 cm and height
24 cm. Find the area of sheet required for 10 such caps.
4. Prove that “A diagonal of a parallelogram divides it into two congruent triangles”
