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| 1. |
The price of an apple is twice that of an orange. The price of an orange is thrice that of a banana. If the price of an apple increases by 10%, price of an orange increases by 30% and the price of a banana increases by 20%. Find the percentage increase in the price of 20 apples, 20 oranges and 20 bananas. |
| A. | 19% |
| B. | 17% |
| C. | 15% |
| D. | 13% |
| Answer» C. 15% | |