Mathematics · Interest
X borrows a certain sum from Y at a certain rate of simple interest for 2 years. He lends this entire sum to Z at the same rate of interest, but compounded annually for the same period. At the end of 2 years, he receives Rs. 3200 as compound interest, but pays Rs. 2800 as simple interest. What is the rate of interest per annum?
- 128.57%✓
- 230.58%
- 314.69%
- 413.29%
Correct answer
28.57%
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