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a software enginer creates a lan game
Read Solution (Total 2)
-
- here for 1st 4 places is filled with even no
-- -- -- -- in 4! ways
and other 4 places is filled with other 4 remaining no
-- -- -- -- in 4! ways
so to total
-- -- -- -- -- -- -- -- 4!*4!
so probabilty is
4!*4!/8! = 1/70
so ans is (a) 1/70 - 7 years agoHelpfull: Yes(3) No(0)
- (4!*4!)/8!
- 7 years agoHelpfull: Yes(0) No(1)
Wipro Other Question
1,3,4,5,10,9,19,15,?
A software engineer creates a LAN game where an 8 digit code made up of 1,2,3,4,5,6,
7,8 has to be decided on as a universal code. There is a condition that each number has to be
Used and no number can be repeated. What is the probability that first 4 digits of the code are even number?
a)1/70 b)1/840 c)1/8 d)1/40320