The population of vultures in a particular locality is decreases by a certain rate of interest (compounded annually). If the current population of vultures be 29160 and the ratio of decease in population for second year and 3rd year be 10: 9. What was the population of vultures 3 years ago?
40000
Yearly decrease rate is 9:10=0.9 Population 3 years ago would be 29160/0.9^3=40000
A sum increases by 48% in 6 years at certain rate of simple interest per annum, then how many years are required to approximately double the amount at the same annual rate of compound interest?
Ahaan lent Rs 1200 to Bhargav for 3 years at certain rate of simple interest and Rs 1000 to Pulkit for the same time at the same rate. If he gets Rs 50 more from Bhargav than from Pulkit , then what is the percent rate ?
