The simple interest on a certain sum at the rate of 12.5% per annum for 6 years is ₹13,500 less than the principal. Find the simple interest.

Rate of interest (R) = 12.5% per annum

Time (T) = 6 years

Simple Interest is ₹13,500 less than the principal.

Simple Interest (SI) = $$\frac{P \times R \times T}{100}$$ 

Let the sum be x.

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