Simplify :

100 - 32.5 - 46.74 - 12.925

Given expression:

= 100 - 32.5 - 46.74 - 12.925
= 100.000 - 32.500 - 46.740 - 12.925 $\quad$ [Converting into like decimals]
= 100.000 - (32.500 + 46.740 + 12.925) $\quad$ [Rearranging terms]
= 100.000 - 92.165
= 7.835

$\begin{array}{r|r|r} 32.500 & 79.240 & 100.000\ +\phantom{0}46.740 & +\phantom{0}12.925 & -\phantom{0}92.165 \ \hline 79.240 & 92.165 & 7.835 \ \hline \end{array}$

Hence, the answer is 7.835