simple &compound interest testOnline version simple & compound interest test by infomind Online tests 1 At what rate percent per annum will a sum of Rs. 3,600 become Rs. 4,500 in 10 years at simple interest? a a) 5 % b b) 2. 5% c c) 1 0 % d d) 6.75% 2 A sum of Rs. 1600 lent at simple inter- est at 12.5% per annum will become double in a a) 6 years b 7 1/2 years c c) 8 years d 9 1/4 years 3 3 . The difference in simple interest at 13% 12% p.a. of a sum in one year is Rs. 110. Then the sum is a a) Rs. 13,000 b b) Rs. 15,000 c c) Rs. 10,000 d d) Rs. 11,000 4 The difference in the interests received from two different banks on Rs. 1000 for 2 years is Rs. 20. Thus, the difference in their rates is a a) 2 % b b) 1 % c c) 1. 5% d d) 0. 5% 5 Find out the capital required to earn a monthly interest of Rs. 600 at 6% simple in- terest. a a) Rs. 1 lakhs b b) Rs. 1.2 lakhs c c) Rs. 1.1 lakhs d d) Rs. 1.3 lakhs 6 A man invested 1/3rd of the sum at 7%, 1/4th at 8% and the remaining at 10% for one year. If the annual interest is Rs. 408, then the investment is a a) Rs. 8,400 b b) Rs. 4,800 c c) Rs. 5,000 d d) Rs. 7,200 7 The difference in simple interest on a certain sum of money for 3 years and 5 years at 18% per annum is Rs. 2,160. Then the sum is a a) Rs. 6,500 b b) Rs. 4,500 c c) Rs. 6,000 d d) Rs. 7,500 8 At what rate percent per annum simple interest will a sum of money triple itself in 25 years? a a) 8 b b) 8 1/3 c c) 9 1/11 d d) 10 9 What sum of money lent out at compound interest will amount to Rs. 968 in 2 years at 10% per annum, interest being charged annu- ally? a a) Rs. 900 b b) Rs. 825 c c) Rs. 780 d d) Rs. 800 10 The difference between compound inter- est and simple interest on certain sum of money in 2 years at 4% per annum is Rs. 50. Find the sum a a) Rs. 30,550 b b) Rs. 31,250 c c) Rs. 25,670 d d) Rs. 35,400 11 A sum of money lent at compound inter- est amounts to Rs. 1210 in two years and to Rs. 1464.10 in 4 years. Find the rate of inter- est. a a) 1 2 % b b) 1 0 % c c) 8 % d d) 1 5 % 12 A man borrows Rs. 4,000 at 8% per an- num on compound interest. At the end of ev- ery year he pays Rs. 1,500 as part payment of loan and interest. How much does he still owe to the bank after 3 such annual pay- ments? a a) Rs. 1,799 b b) Rs. 169.25 c c) Rs. 2,000 d d) Rs. 234