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IKMC 2027 - Grades 5-6 - Self-study SET 3 - Thematic Batch 3 Question 11

IKMC · IKMC 2027 - Grades 5-6 - Self-study SET 3 - Thematic Batch 3

Question 11

In a laboratory, a beneficial bacterium described in the source as countering Covid-19 is cultured in favourable conditions. In one hour it produces two new bacteria and then stops reproducing. In the next hour, each newly born bacterium produces two more and then stops reproducing. This process repeats, and all bacteria are assumed to live forever. How many bacteria are there after four hours?

Question illustration

Editorial note: This is a fictional growth model. The source’s Covid-19 claim is not validated medical information.
  1. 35
  2. 31
  3. 28
  4. 21
  5. 15