Actual/clarified height = X = 5.5
Mistaken height = 1.25 X = 6.875
Percentage correction \(=\frac{(6.875-5.5)}{6.875}\)
\(=20\)\(\%\).So the correct option is (B)
From one face of a solid cube of side 14 cm, the largest possible cone is carved out. Find the volume and surface area of the remaining solid.
Use $\pi = \dfrac{22}{7}, \sqrt{5} = 2.2$
