Vidyalelo
Aptitude · Q28

Interest

Competitive Exams · Aptitude · question 28

Q28

The population of vultures in a particular locality is decreases by certain rate of interest (compounded annually). If the current population of vultures be 29160 and the ratio of decrease in population for second year and 3rd year be 10 : 9. What was the population of vultures 3 years ago?

A.
30000
B.
35000
C.
40000
Answer
D.
50000
E.
Cannot determined

Answer: Option C

Solution

Answer: Option C
Solution:

Let the population of vultures 3 years ago be P, then