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Maths Puzzle
Numerical Ability
Probability
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 ?
Read Solution (Total 5)
-
- i think answer is 139/201
1 sec to 49 sec , first will cost - 10 years agoHelpfull: Yes(0) No(2)
- i think answer is 139/201
1 sec to 49 sec , first will cost - 10 years agoHelpfull: Yes(0) No(1)
- 1 sec to 49 sec , first will cost
- 10 years agoHelpfull: Yes(0) No(1)
- i think answer is 139/201
1 sec to 49 sec , first will cost
- 10 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 - 10 years agoHelpfull: Yes(0) No(2)
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