self Maths Puzzle

if the probability of watching a car on a road in 30 min is .724 then what will be the probabilty of wathchin the car in 10 min on the same road??

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option to do yr....
13 years agoHelpfull: Yes(0) No(0)

option nahi the bhai.. mujhe to ans .724 hi lag rha h
13 years agoHelpfull: Yes(0) No(0)

self Other Question

How many 9 digit numbers are possible by using the digits 1,2,3,4,5 which are divisible by 4 if therepetition is allowed?
a)5^7 b)5^6 c)5^9 d)5^8
if
ABCD
* E
_____
DCBA

find the value of A,B,C,D,E