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A tradesman sold an article at a loss of 20%. If the selling price had been increased by $ 100, there would have been a gain of 5%. The cost price of the article (in $ ) was
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- $ 100
- $ 200
- $ 400
- $ 500
Correct Option: C
Suppose C.P. of article be y.
| ∴ First S.P. = | = $ | 100 | 5 |
According to question ,
| + 100 = | = | 5 | 100 | 20 |
| ⇒ | - | = 100 | 20 | 5 |
| ⇒ | = 100 | 20 |
⇒ 5y = 2000
| ⇒ y = | = $ 400 | 5 |
