Question

Suppose that a population of fish in a pond doubled every 6 months. There were originally 8 fish in the pond. How many fish were in the pond after 10 years?

Answer 1

if it doubled by every 6 months;in ayear,it was doubed two times. count them yourself,i've give you a hint :D

Answer 2

It's a sequence...

2^3 , 2^4 , 2^5 ,...

For each year you have 2 parts of sequence...so for 10 years it's 20 ...

The answer is 2^?...

Answer 3

8(2^20-1)
a G.P will form like this 8,16,32,..........,2^22

Answer 4

@jain
Answer isn't 2^22...