A difference between the interst received from two different bank on Rs. 400/- for 2 years is Rs. 4/-. What is the difference between their rates ?

- Mr. X invested Rs. 700 in two schemes, A and B in the ratio of 7:3, respectively. Scheme A and B are offering simple interest at rate of 5% per annum and 10% per annum. Find the total interest obtained from both schemes after 2 years.
- A and B started a business with initial investments of Rs. 26000 and Rs. 27000 respectively. After one year, a profit of Rs. 10600 is earned. A being a working partner gets 16% of the profit for managing the business and rest of the profit is shared between them in the ratio of their investments. A invested his whole profit in a scheme offering 10% compound interest compounded annually. Find the interest earned by A after 2 years.
- Ravi lends Rs. 16000 to two of his friends. He gives Rs.8000 to the first at 15% p.a. simple interest. Ravi wants to make a profit of 20% on the whole. The simple interest rate at which he should lend the remaining sum of money to the second friend is
- Simple interest earned on an amount of Rs.1600 at rate of R% per annum after 4 years is Rs.256. Find the simple interest earned on an amount of Rs.1800 at rate of (R + 3)% per annum after 2 years.
- A certain sum of money yields Rs. 3,310 as compound interest for 3 years at 10% per annum. The sum is (in rupees).
- Viraj invested Rs. 3500 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 Viraj at the end of 5 years.
- Mr. Mathur invested Rs. 40,000 with Bank A for 2 years and Rs. 10,000 with Bank B for 4 years at simple interest and earned Rs. 6,000 as interest. Find the interest rate p.a. if both the banks lend money at the same rate of interest.
- Rs.700 amounts to Rs.742 in 2 years at a certain rate. If interest rate is increased by 2%, then what will be the new interest?
- The difference between compound interest and simple interest at rate of 22% per annum for 2 years is Rs. 484. Find the simple interest obtained on same amount for a period of 2 years at rate of 10% per annum.
- If the ratio of the sum invested and simple interest received after 1 year is 20:13 respectively, then find the rate of interest.

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