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Question
Initially there are 2 pathogens and it doubles every 20 minutes. Total number of pathogens after 60 minutes is
Initially there are 2 pathogens and it doubles every 20 minutes. Total number of pathogens after 60 minutes is
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Solution
The correct option is D 256
Initial count of pathogens = 2
Count after 20 mins = 2 x 2 = 4
Counts after 40 mins = 4 x 2 = 8
Count after 60 mins = 8 x 2 = 16
Initial count of pathogens = 2
Count after 20 mins = 2 x 2 = 4
Counts after 40 mins = 4 x 2 = 8
Count after 60 mins = 8 x 2 = 16
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