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Subject :NSO    Class : Class 8
A bacteria undergoes binary fission in every minute. This bacterium can fill up a cup in 1 hour. In how much time will the cup be half filled? A. 30 mins. B. 59 mins. C. 20 mins. D. 40 mins.

Ans 1:

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The correct option is B

Ans 2:

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The right one is option 'A'-30 mins

Ans 3:

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A

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Ans 5:

from ,
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The correct option is B

Ans 6:

from ,
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The correct option is B

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