Which of the following is not true ?

$(-\frac{1}{2})(-\backslash frac\{1\}\{2\})$ + … = 0

The product of multiplicative inverses of $\frac{-9}{2}\backslash frac\{-9\}\{2\}$ and $\frac{5}{18}\backslash frac\{5\}\{18\}$ is?

Which of the following has no multiplication inverse ?

Which of the following is a non – terminating repeating decimal ?

The $\frac{p}{q}\backslash frac\{p\}\{q\}$ form of 0.35 is …

The $\frac{p}{q}\backslash frac\{p\}\{q\}$ form of $4.\bar{7}4.\backslash bar\{7\}$ is …

If we write $0.\bar{4}0.\backslash bar\{4\}$ in $\frac{p}{q}\backslash frac\{p\}\{q\}$ from the value of p + q is ……

The $\frac{p}{q}\backslash frac\{p\}\{q\}$ form of – 8.005 is ……

Periodicity of $1.\overline{25}1.\backslash overline\{25\}$  is …