A TV is purchased at Rs. 5000 and sold at Rs. 4000, find the lost percent.  Choose the most appropriate option.
A) 10% B) 20% C) 25% D) 28% E) 34%
Explanation:   We know, C.P. = 5000   S.P. = 4000   Loss = 5000 - 4000= 
<gadget id="calculator">5000 - 4000</gadget>
<output>1_000</output>
1000   Loss%=(Loss/ Cost∗100)%=(1000/ 5000∗100)%=20%   Option 20%
<result>B</result>
A TV is purchased at Rs. 5000 and sold at Rs. 4000, find the lost percent.