Mathematics
A certain sum of money doubles itself at a given rate in 8 years compounded yearly. In how many years will it be four times at the same rate compounded yearly ?
Related Questions
Nikita invests ₹ 6000 for two years at a certain rate of interest compounded annually. At the end of first year it amounts to ₹ 6720. Calculate :
(a) the rate percent (i.e. the rate of growth)
(b) the amount at the end of the second year.
A certain sum of money invested at CI triples itself in 8 year interest being payable annually. In how many years will it be 81 times?
Mr. Sharma wants to divide ₹ 1,68,200 between his two sons who are 16 years and 18 years old respectively, in such a way that the sum invested at the rate of 5% p.a compound interest annually will give the same amount to each when they attain the age of 21 years. How much should he divide the sum ?