Simple, Compound Interest and Principal

1) Find the simple interest on Rs. 500 borrowed for 4 years at 11% per annum.
(A) 120
(B) 180
(C) 220
(D) 280

2) Find the simple interest on a 90 day loan of Rs. 90,000 at 15 1/4%.
(A) Rs. 313.10
(B) Rs. 323.10
(C) Rs. 333.10
(D) Rs. 343.10

3) Find the amount of money gained from an investment of Rs. 800 for 3 years at 10% per annum compound interest.
(A) Rs. 1064.80
(B) Rs. 1284.80
(C) Rs. 1022.80
(D) Rs. 1562.80

4) A bank increased the rate of interest which it paid to depositors from 3.5% to 4% per annum. Find how much more interest a man would receive if he deposited Rs. 64000 in the bank for 6 moths at the new interest rate.
(A) Rs. 160
(B) Rs. 180
(C) Rs. 200
(D) Rs. 220

5) The difference between simple and compound interest on Rs. 1625 for 3 years at 4% per annum in rupees is?
(A) 7.95
(B) 7.90
(C) 7.70
(D) 7.75

6) The difference between simple and compound interest on a certain sum of money in two years at 15% per annum is Rs. 144. The sum in rupees is
(A) 6000
(B) 6200
(C) 6400
(D) 6300

7) What is the compound interest on Rs. 2500 for 3 years at 12% per annum compounded yearly? Answer nearest to rupee
(A) Rs. 1016
(B) Rs. 1014
(C) Rs. 1012
(D) Rs. 1010

8) A man bought a car for Rs. 3,30,000. He made a first payment of Rs. 1,20,000 and borrowed the rest from a bank at 10% per annum simple interest. At the end of the first year, he repaid a certain sum to the bank after which he still owed the bank Rs. 90,000. Calculate the sum he repaid.
(A) Rs. 131,000
(B) Rs. 141,000
(C) Rs. 151,000
(D) Rs. 161,000





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