Doubling bacteria

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A Bacteria is doubling at every 4 min. After 40 min 1024 bact. At wat time there will be 256 bacteria???:

Replies (4)

after 32 minutes

Correct.. will u provide ur solution here

The solution is:

1024=40min

1024/2=40min-4min (512 in 36min)

512/2=36min-4min  (256 in 32 min)

 

Correct...Nice reply...there can be many ways to solve it...

good done

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