Comprehension Passage
The table given below shows the cost prices of 6 different articles, the mark-up amount of each article and the discount per cent given on the marked price of each article.
1. Some data in the table is missing, which needs to be calculated in the questions.
2. Marked up amount = Marked price – Cost price
| Article | Cost Price | Mark-up amount | Discount% |
| A | 300 | 5% | |
| B | 40 | 5% | |
| C | 60 | ||
| D | 200 | 5% | |
| E | 400 | 60 | |
| F | 140 |
If article A is sold at 14% profit and the ratio of the marked price of article A to that of article B is 3: 7, then find the cost of article B?
1
600
2
800
3
700
4
750
5
None of these