If by successive division of bacterium every minute, a small test tube is filled up in one hour. Then lower half of the test tube will be filled up in how much time?

If by successive division of bacterium every minute, a small test tube

1.	If by successive division of bacterium every minute, a small test tube is filled up in one hour. Then lower half of the test tube will be filled up in how much time?
Answer» If by successive division of bacterium every minute, a small test tube is filled up in one hour. Then lower half of the test tube will be filled up in how much time?