A physical quantity A is related to four observable \[a,b,c\] and d as follows, \[A=\frac{{{a}^{2}}{{b}^{3}}}{c\sqrt{d}}\], the percentage errors of measurement in \[a,b,c\] and d are 1%,3%,2% and 2% respectively. What is the percentage error in the quantity A [Kerala PET 2005]

A physical quantity A is related to four observable \[a,b,c\] and d

1.	A physical quantity A is related to four observable \[a,b,c\] and d as follows, \[A=\frac{{{a}^{2}}{{b}^{3}}}{c\sqrt{d}}\], the percentage errors of measurement in \[a,b,c\] and d are 1%,3%,2% and 2% respectively. What is the percentage error in the quantity A [Kerala PET 2005]
A.	12%
B.	7%
C.	5%
D.	14%
Answer» E.