A) \[8.5%\]
B) \[6.0%\]
C) \[7.5%\]
D) \[6.5%\]
Correct Answer: D
Solution :
[d] Percentage error |
\[\frac{\Delta \Alpha }{A}\times 100=3\frac{\Delta P}{P}\times 100+\] |
\[2\frac{\Delta Q}{Q}+\frac{1}{2}\frac{\Delta R}{R}\times 100+\frac{\Delta S}{S}\times 100\] |
\[=3\times 0.5+2\times 1+0.5\times 3+1.5=6.5\] |
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