Question

If the simple interest on a certain sum for 2 years at the rate of 5% per annum is RS 4000,then the sum is ​

Answer 1

Answer:

Example 1: If Rs. 4000 is invested at 8% p.a. simple interest for 5 years, find the interest.

Sol: simple interest formula: 4000 × 8 × 5/100 = Rs. 1600

Example 2: If Rs 16,000 is invested at 12 percent simple annual interest, how much interest is earned after 6 months?

Sol: Since the annual interest rate is 12 %, the interest for 6 months is (16000x12x6)/12x100 = Rs. 960.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let the principal amount be ‘x’.

Interest gained for 2 years at 5% interest = x * 5/100 * 2

= x * 10/100

Now, x * 10/100 = ₹4000

x = ₹40000

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