117.if there are 30 cans out of them one is poisoned if a person tastes very little he will die within 14 hours so if there are mice to test and 24 hours ,how many mices are required to find the poisoned can?

• ans is 5
  bcoz it die within 14 hr nt the exact time is there for upto 32 cans 2^5 5 mice req upto 16 can 2^4 =4 mice req like that
• 13 years agoHelpfull: Yes(9) No(0)
• There is a great deal of confusion regarding this question.
  some say its 1 and others say its n in 2^n(nor of cans).
  understand the question carefully.Its given "within 14 hours" not exactly 14hrs .therefore the soln 1 is wrong. the solution is n. in this case 5.
• 13 years agoHelpfull: Yes(7) No(0)
• ans=1
  if 1 can is posined mice die in 14hr
  after on min 2 can is take to test if it is posined mice die at 14hr 1 min
  hence we try all can
• 13 years agoHelpfull: Yes(3) No(12)