The length and breadth of a rectangular area are 25.2 cm and 16.8 cm respectively and have been measured to an accuracy of 0.1 cm. Find the percentage error in the area .

Question

$\begin{array}{1 1}(A)\;2.4\% \\(B)\;1 \% \\(C)\;9.8\% \\(D)\;2 \% \end{array}$