Question

A cell's division time is 1 minute.In 20 minutes,a culture tube is 1/8th filled with cell's.When the tube will be fully filled?
(a)21 minutes (b)23 minutes
(c)60 minutes (d)160 minutes​

Answer 1

Answer:

option b

Explanation:

In 20 mins culture tube 1/8 filled is given

Means after 1 min it will be doubled so in 21-minute culture tube will be 1/8 *2 = 1/4 quarterly filled

Again after 1 min. It will be 1/4 *2=1/2 half filled

Again after 1 min, it will be1/2*2 = 1 (fully filled)

means in 23 minutes vessel will be completely filled.