there are 40 barreals are there and one is poisoned. If a drop is consumed he will die in 14 hrs then how many least mice are required to find the poisoned barreal?

• 2^n>no of barrels where n=no of mouse
• 13 years agoHelpfull: Yes(7) No(0)
• one...
  take a time gap of say 5 min... and drink the each barrel one by one..
  and see when mice die and calculate the time accordingly
• 14 years agoHelpfull: Yes(6) No(6)
• 6 will be answer...
  pj jain
• 13 years agoHelpfull: Yes(3) No(0)
• 1
• 14 years agoHelpfull: Yes(1) No(3)
• only 1 mice required
  
• 13 years agoHelpfull: Yes(1) No(0)
• there is 40 barreals and one of them is poisones
  now mice start searching by testing one by one
  if he/she get poisoner barrels found then died and finally got poisoner barrels
  
  ans 1 mice required
• 14 years agoHelpfull: Yes(0) No(7)
• there r 40 barels,if we use m1 to check b1&b2 and m2 to check m2&m3,in this way we can see if m1 dies then b1 is poisoned,if m1&m2 both dies then b2 is poisoned.so we can use 40-1=39 mice.
• 13 years agoHelpfull: Yes(0) No(1)
• 1 mice is required.
  after testing a bottle and w8ing 4 14 hrs.it it does not die then it is not poisoned bottle nd nxt select another bottle to test and repeat it again.
• 12 years agoHelpfull: Yes(0) No(0)