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a bacterium divides once in 20 minutes. if a bacterium takes 2hrs to fill up a cup, the time required to fill up a cup is ?

a bacterium divides  once in 20 minutes. if a bacterium takes 2hrs to fill up a cup, the time required to fill up a cup is ?

Grade:10

3 Answers

Arun
25750 Points
6 years ago
Dear student,
 
I didn't get the question.
You have guven the time for filling a cup and you also asking the same.
Please check and repost the question.
 
Regards
Arun (askIITians forum expert)
SUDHARSANA V V
18 Points
6 years ago
SORRY THERE IS  A CORRECTION :       a bacterium divides  once in 20 minutes. if a bacterium takes 2hrs to fill up a cup, the time required to fill up a half cup is ?
Simran Vinaik
askIITians Faculty 1230 Points
6 years ago
Dear Student

Since the culture of bacteria fills the full cup in 2 hours(120 minutes) so obviously it would take 100 minutes to fill the half cup. Because in next 20 minutes all the bacteria in half cup will divide and fill the full cup.

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