Bacteria reproduce in such a manner that every hour their number
doubles In a controlled experiment that started with a certain number of
bacteria in a jar at 12noon on Tuesday ,30 million were found at 12noon on
Wednesday .At what time were there 15 million bacteria ?

1. Midnight ,Tuesday
2. 6a.m on Wednesday
3. 10 a.m Wednesday
4. None of these

• 4. None of these
  
  as at 11 AM,wednesday , there were 15 million bacteria.
• 12 years agoHelpfull: Yes(21) No(1)
• at 12 pm ,bacteria was 30 million ,plus it is also given that quantity of bacteria gets double after every 1 hour
  if 12pm(wednesday) bacteria was 30 million;
  then at 11 am(wednesday) bacteria was 15 million
  so answer ia 4. none of these
• 11 years agoHelpfull: Yes(8) No(0)
• 4. None of these
  
  as at 11 AM,Tuesday , there were 15 million bacteria.
• 12 years agoHelpfull: Yes(4) No(1)
• At 12 noon wednesday it was 30 million....it doubles evevry hour...so it is 15 million(30million/2) at 11 am...so the answer is none of these
• 6 years agoHelpfull: Yes(0) No(0)