Q107
A virus known to cause a deadly disease, is also a rapid multiplier. It is known that it can double itself every 30 minutes. If a container is completely full of this virus after 50 hours, when was the container half empty?
A.
35 hours
B.
49.5 hours
AnswerC.
46 hours
D.
20 hours
Answer: Option B
Solution
Answer: Option B
Solution:
In every 30 minutes, Virus doubles it self. It means in 49.5 hours, it would be half empty and it will be full in 50 hours.