Dear Learner, Can you find the solution to the question? Q If | Unacademy Defence Shaurya

Dear Learner,
Can you find the solution to the question?
Q If a sum of money amounts to ₹ 12,900 and ₹ 14,250 at the end of 4th year and 5th year respectively at a certain rate of simple interest, then the rate of interest is
1. 10%
2. 12%
3. 18%
4. 20%
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https://unacademy.onelink.me/HrwS/72ymtvjy