If there is an error of a% in measuring the edge of a cube, then percentage error in its surface area is
A. 2a%
B. \(\frac{a}{2}\) %
C. 3a%
D. None of these
Answer:B
If there is an error of a% in measuring the edge of a cube, then percentage error in its surface area is
A. 2a% B. \(\frac{a}{2}\) % C. 3a% D. None of these