Brain Teaser 10!!!
Level
2
In a cup few bacterial cells are growing.... They all divided by Binary fission every minute.... The cup is filled in one hour... What time will be taken to fill 1/4 th ( 25%) Of the Cup?? ? .😊😊😊
Note🌹 In Binary fission one cell divides into two🌹
4 minutes
58 minutes
56 minutes
15 minutes
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1 solution
one hour=full cup then half cup was at one minute back. So
50% is at 59 minute So half of it was before one minute i.e 25% at 58 min.