Question

A man sold his bicycle for rs. 405 losing one- tenth of its cost price.
(ii) the loss percent.

Answer 1

$sp=405$ loss $=\frac{1}{10}\times cp$

Loss $\%=\frac{loss}{cp}\times 100$

$=\frac{\frac{1}{10}\times cp}{cp}\times 100$

$=\frac{1}{10}\times 100$

$=10\%$.