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# The percentage of uncertainty in measurement given as $55 \pm 2\;kg$ is approximately.

$(a)\;0.5 \%\\(b)\;1 \%\\(c)\;2 \%\\(d)\;4\%$

Percentage of uncertainity $= \large\frac{2}{55}$$\times 100$
$\qquad= 4\%$
Hence d is the correct answer.