\(\text { Zero Error }=6 \times LC =0.6\,mm\)
\(\text { Reading }= MSR + VSR \times LC -\text { Zero Error }\)
\(=[32\,mm +(0.1) 4\,mm ]-0.6\,mm\)
\(=31.8\,mm\)
\(=3.18\,cm\)
$(i)$ $\mathrm{A}_{1}=24.36, \mathrm{B}_{1}=0.0724, \mathrm{C}_{1}=256.2$
$(ii)$ $\mathrm{A}_{2}=24.44, \mathrm{B}_{2}=16.082, \mathrm{C}_{2}=240.2$
$(iii)$ $\mathrm{A}_{3}=25.2, \mathrm{B}_{3}=19.2812, \mathrm{C}_{3}=236.183$
$(iv)$ $\mathrm{A}_{4}=25, \mathrm{B}_{4}=236.191, \mathrm{C}_{4}=19.5$