Mathematics
The population of a town decreased by 12% during 1998 and then increased by 8% during 1999. Find the population of the town, at the beginning of 1998, if at the end of 1999 its population was 285120.
Related Questions
The value of an article decreased for two years at the rate of 10% per year and then in the third year it increased by 10%. Find the original value of the article, if its value at the end of 3 years is ₹ 40,095.
According to a census taken towards the end of the year 2009, the population of a rural town was found to be 64000. The census authority also found that the population of this particular town had a growth of 5% per annum. In how many years after 2009 did the population of this town reach 74088 ?
A sum of money, invested at compound interest, amounts to ₹ 16500 in 1 year and to ₹ 19965 in 3 years. Find the rate per cent and the original sum of money invested.
The difference between C.I. and S.I. on ₹ 7500 for two years is ₹ 12 at the same rate of interest per annum. Find the rate of interest.