Exemplary Question Types
1.
\((abc)+(cb)=255\)
\(\Rightarrow a+b+c=?\)
2.
\((ab)=2(a+b)\)
\(\Rightarrow \samefrac{a}{b}=?\)
3.
\((ab)-(ba)=72\)
\(\Rightarrow a+b=?\)
4.
\((321)_{5}=(x)_{10}\)
\(\Rightarrow x=?\)
5.
\(A=(241)_{x}+(2x1)_{6}\)
\(\Rightarrow A=?\)
6.
\(2424=(x)_{6}\)
\(\Rightarrow x=?\)
7.
\(\begin{array}{r}(2\ 3\ 4\ 1)_{6}\\-\ (1\ 5\ 2\ 3)_{6}\\\hline (x)_{6}\end{array}\)
\(\Rightarrow x=?\)
8.
\(\begin{array}{r}(2\ 0\ 1\ 3)_{5}\\-\ (1\ 4\ 2\ 1)_{5}\\\hline (x)_{5}\end{array}\)
\(\Rightarrow x=?\)