A man bought a horse for Rs.400 and cart for Rs.250. He sold cart at 20% profit and horse at 4% loss. Find gain or loss percent.

$\par&space;C.P.&space;of&space;horse&space;=&space;400$              $\par&space;loss&space;=&space;4\%$

$\par&space;S.P.&space;=$ $400&space;\times&space;\frac{100&space;-&space;4&space;}{100}&space;=&space;400&space;\times&space;\frac{96}{100}&space;=&space;384$

$\par&space;C.P.&space;of&space;cart&space;=&space;250$                $\par&space;gain&space;=&space;20\%$

$\par&space;S.P.&space;=$ $250&space;\times&space;\frac{100&space;+&space;20}{100}&space;=&space;250&space;\times&space;\frac{120}{100}&space;=&space;300$

$\par&space;C.P.&space;of&space;horse&space;and&space;cart&space;=&space;400&space;+&space;250&space;=&space;650$

$\par&space;S.P.&space;of&space;horse&space;and&space;cart&space;=&space;384&space;+&space;300&space;=&space;684$

$\par&space;Gain&space;=&space;684&space;-&space;650&space;=&space;34$as
a$\par&space;Gain\%&space;=$ $\frac{34}{650}&space;\times&space;100&space;=&space;\frac{340}{65}&space;=&space;5.23$