\( \frac{{\Delta V}}{V}\,\, \times \,\,100\,\, = \,\,\frac{{\Delta \ell }}{\ell }\,\, \times \,\,100\,\, + \,\frac{{\Delta w}}{w}\,\, \times \,\,100\,\, + \;\,\frac{{\Delta t}}{t}\,\, \times \,\,100\)
\( = \,\,\frac{{0.1}}{{10}}\,\, \times \,\,100\,\, + \;\,\frac{{0.01}}{1}\,\, \times \,\,100\,\, + \;\,\frac{{0.001}}{{0.1}}\,\, \times \,\,100\)
\(= \,\,\left( {0.01\,\, + \;\,0.01\,\, + \;\,0.01} \right)\% \,\, = \,\,0.03\% \;\,\)
$1\,M.S.D. = 100\, C.S.D. = 1\, mm $
$(i)$ $\mathrm{A}_{1}=24.36, \mathrm{B}_{1}=0.0724, \mathrm{C}_{1}=256.2$
$(ii)$ $\mathrm{A}_{2}=24.44, \mathrm{B}_{2}=16.082, \mathrm{C}_{2}=240.2$
$(iii)$ $\mathrm{A}_{3}=25.2, \mathrm{B}_{3}=19.2812, \mathrm{C}_{3}=236.183$
$(iv)$ $\mathrm{A}_{4}=25, \mathrm{B}_{4}=236.191, \mathrm{C}_{4}=19.5$