A solid cone of radius 7 cm and height 7 cm was melted along with two solid spheres of radius 7 cm each to form a solid cylinder of radius 7 cm. What is the curved surface area (in cm2) of the cylinder?
$\left(\text {Use } \pi=\frac{22}{7}\right)$
Answer & explanation
Correct answer: option 1
A detailed explanation for this question is coming soon.