There are two schemes in Vodafone
mobiles.
First scheme :1 paise per second,
Second scheme :50 paise per
minute,
Following conditions are given - 1) In second scheme, second minute
will be started at 0:60 or 1:00,
2) 0 sec. call means to call and cut it
abruptly when timer reads 0:00,
this is equivalent to a call of 1 sec.
3) In first scheme 0:14 means 15 sec.
The probability that first scheme is
more profitable over second in a
call ranging from 0:00 (1 sec.) to
3:20 (201 sec.) is ?

• i think answer is 139/201
  
  1 sec to 49 sec , first will cost
• 9 years agoHelpfull: Yes(0) No(2)
• i think answer is 139/201
  
  1 sec to 49 sec , first will cost
• 9 years agoHelpfull: Yes(0) No(1)
• 1 sec to 49 sec , first will cost
• 9 years agoHelpfull: Yes(0) No(1)
• i think answer is 139/201
  
  1 sec to 49 sec , first will cost
  
• 9 years agoHelpfull: Yes(0) No(1)
• i think answer is 139/201
  
  1 sec to 49 sec , first will cost less than 50paise and 2nd exact 50paise
  so total = 49sec
  from 60sec to 99sec , first will cost
• 9 years agoHelpfull: Yes(0) No(2)