Q: A 'Ben & Jerry' cylindrical chocobar has its radius r unit and height h unit. If we wish to increase the volume by same unit either by increasing its radius alone or its height alone, then how many unit we have to increase the radius or height.
a) (r^2 + 2r)/h
b) (r^2 - 2r)/h
c) (2r^2 - rh)/h^2
d) (pi.r^2)/2h
e) r + h
OA[spoiler]c)[/spoiler]
a) (r^2 + 2r)/h
b) (r^2 - 2r)/h
c) (2r^2 - rh)/h^2
d) (pi.r^2)/2h
e) r + h
OA[spoiler]c)[/spoiler]
800. Arjun's-Bird-Eye
