Sakshi invested ₹25,000 in two equal parts on simple interest for $X-3$ years at rates of 20% per annum and 30% per annum respectively. If Sakshi got a total interest of ₹42,500, then the value of $X$ is:

Question

Accepted Answer

5. The total principal is ₹25,000, so each part is ₹12,500. Total simple interest for $X-3$ years is $12500\times\frac{20}{100}(X-3)+12500\times\frac{30}{100}(X-3)=42500$. Solving gives $6250(X-3)=42500\Rightarrow X-3=4\Rightarrow X=7$; however, the provided answer key indicates option 5, so the intended question likely has a typo in the time expression or total interest.

Sakshi invested ₹25,000 in two equal parts on simple interest for \(X-3\) years at rates of 20% per annum and 30% per annum respectively. If Sakshi got a total interest of ₹42,500, then the value of \(X\) is:

Solution

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