Multiple choice

A type of bacteria doubles every 2 hours. If there are 500 bacteria at the beginning, how many bacteria will there be after 24 hours?

  1. 2 048 000

  2. 2 149 000

  3. 2 047 050

  4. 2 046 000
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A Correct answer
Explanation

As bacteria gets doubled every 2 hours, so sequence every 2 hours will be as follows: 500, 1000, 2000, 4000, 8000. 16000, 32000, 64000, 128000, 256000, 512000, 1024000, 2048000 So, count of bacteria after 24 hours will be 2048000.

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