Answer:

To find the rate of interest at which ₹60,000 amounts to ₹69,000 in a certain number of months, we can use the formula for simple interest:

Simple Interest (SI) = Principal Amount (P) × Rate of Interest (R) × Time Period (T)

Given:

Principal Amount (P) = ₹60,000

Amount after interest (A) = ₹69,000

Time Period (T) = in months

We can rearrange the formula to find the rate of interest:

\(SI = P \times R \times T\)

\(R = \frac{SI}{P \times T}\)

First, let's find the Simple Interest (SI):

\(SI = A - P\)

\(SI = 69,000 - 60,000\)

\(SI = 9,000\)

Now, let's find the rate of interest (R) per month:

\(R = \frac{9,000}{60,000 \times T}\)

If you have the specific time period in months, you can substitute that value into the equation to find the rate of interest.

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