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Question

What sum (in ₹) will earn an interest of ₹480 in 2 years at 16% simple interest per year?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is
1500

Simple Interest Calculation: Finding the Principal Sum

The question asks for the principal sum (P) that earns a simple interest (I) of ₹480 over a period (T) of 2 years at an annual interest rate (R) of 16%.

Applying the Simple Interest Formula

The formula for simple interest is:

\( I = \frac{P \times R \times T}{100} \)

Where:

  • I = Simple Interest = ₹480
  • P = Principal Sum (what we need to find)
  • R = Rate of Interest per year = 16%
  • T = Time period in years = 2 years

Rearranging the Formula to Solve for Principal (P)

To find the principal sum (P), we rearrange the formula:

\( P = \frac{I \times 100}{R \times T} \)

Calculating the Principal Sum

Substitute the given values into the rearranged formula:

\( P = \frac{480 \times 100}{16 \times 2} \)

First, calculate the denominator:

\( 16 \times 2 = 32 \)

Now, calculate the numerator:

\( 480 \times 100 = 48000 \)

Finally, divide the numerator by the denominator:

\( P = \frac{48000}{32} \)

\( P = 1500 \)

Therefore, the sum that will earn an interest of ₹480 in 2 years at 16% simple interest is ₹1500.

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Similar Questions

  1. A sum of ₹ 2,000, invested at the rate of 8.5% simple interest per annum for 6 years will yield an interest of:
  2. ₹ $x$ invested at 9% simple interest per annum for 5 years yields the same interest as that on ₹ $y$ invested at 6.25% simple interest per annum for 8 years. Find $x : y$.

Important Questions from Simple Interest

  1. If ₹12,800 is invested in a bank for 5 years at the rate of 9% per annum simple interest. what amount is returned by the bank?

  2. Somu has borrowed ₹10,000 from a money lender with simple interest at a rate of 7% half yearly. How much amount will he pay to the money lender after 3 years?

  3. Find the Simple interest on Rs. 2,400 from 20 March 2019 to 31 may 2019 at \(6{1 \over 4}\) % rate?

  4. If the simple interest for five years is equal is 35% of the principal, that rate of interest is:

  5. A sum fetched a simple interest of Rs. 3,040 at the rate of 8% p.a in 5 years. what is the sum?

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