### Instruction: A TV is purchased at Rs. 5000 and sold at Rs. 4000, find the lost percent.
Answer Choices: (A) 10% (B) 20% (C) 25% (D) 28% (E) 30%.### Response: Let's reason about the multi-choice question.
We know, C.P. = 5000
S.P. = 4000
Loss = 5000 - 4000 = 1000
Loss%=(LossCost∗100)%=(10005000∗100)%=20%
The answer is B