A certain amount earns simple interest of Rs. 1520 after 5 years. Had the interest been 6% more, how much more interest would it have earned?

When we solve this question, we find that we have two variables P (Principal) and R (Initial assumed rate of interest) in the R.H.S. of the SI equation. Therefore, the correct answer can't be determined.

- The simple interest received on a certain sum is Rs. 450 less than the sum invested. If the sum was invested at 10% p.a. for 6 years, then find the simple interest received.
- At what % of simple interest per annum will Rs. 500 amount to Rs. 610 in five years?
- A man deposited Rs. 22000 at 10% compound interest, compounded annually while Rs. 21500 at 12% simple interest per annum. What will be the difference between the compound interest and the simple interest earned by him after 3 years?
- If the compound interest on a certain sum of money for two years at 9% p.a. is ₹3,762, then the sum is:
- What will be the amount if a sum of Rs. 6500 is placed at compound interest for 3 years while the rate of interest for the first, second and third years is 4%, 5% and 6% respectively?
- A Motorbike can be purchased on cash payment of Rs. 30000. But the same Motorbike can also be purchased on the cash down payment of Rs 7000 and the rest can be paid in three equal annual instalments of Rs. 8000 for next three years. Find the rate of simple interest?
- A company declared 20% discount for wholesale buyers on an item. A wholesaler bought the item from the company for ₹400 after getting a discount. He fixed up selling price of the item in such a way that he earned a profit of 15% on the original company price. What is the selling price of the item?
- A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2000 after 4 years. If the same amount is invested at 20% per annum compound interest, compounded annually for two years, then find the interest.
- Veeru invested Rs. 3100 at 20% p.a. simple interest for 3 years. After 3 years, he invested the amount received by him at the 20% p.a. compound interest, compounded annually for another 2 years. Find the final amount received by Veeru at the end of 5 years.
- What sum of money must be given at simple interest for 5 months at 3% per annum in order to earn Rs. 260 interest?

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