Latest TCS Aptitude Question SOLUTION: A person has to go both Northwards & Southwards in search of a job. He decides to go by the first train he encounters.There are trains for every 15 min both southwards and northwar

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A person has to go both Northwards & Southwards in search of a job. He decides to go by the first train he encounters.There are trains for every 15 min both southwards and northwards. First train towards south is at 6:00 A.M. and that towards North is at 6:10. If the person arrives at any random time, what is the probability that he gets into a train towards North

Asked In TCS vigneshwari (11 years ago)

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snehil  (11 years ago)

1/2.. i think either he get train for south or for north ...

Is this solution Helpfull? Yes (24) | No (17)  

sunil pandey  (11 years ago)

.66 bcz time ratio is 2:1. so 2/3=.66

Is this solution Helpfull? Yes (22) | No (1)  

sai spandana  (11 years ago)

In a frequency of 15 mins if the person comes in first 10 mins he will catch northwards train. so the probability that he gets into a train towards North is 10/15=0.66
If he comes in the next 5 mins he will catch southwards train.so the probability of getting into a train towards southwards is 5/15=0.33

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Garima  (11 years ago)

probability that he gets into a train towards North is 0.66 as time ratio is 10:5 or 2:1.

Is this solution Helpfull? Yes (3) | No (14)  

Mridul Trivedi  (11 years ago)

what is meant by he arrives at random time???? I think answer is 1/2

Is this solution Helpfull? Yes (2) | No (6)  

SHANU MAHAJAN  (11 years ago)

2/5...
for south time he had is 15 min.
for north time he had is 6:25-6:15=10 min.
pro for north is 10/15+10=2/5

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Nivesh Jain  (11 years ago)

My answer is 0.5 as out of total of 8 samples (time duration between the timings i.e. 6:00 -6:10 , 6:10-6:15 and so on) favorable are 4 i.e. for north(6:00-6:10,6:15-6:25 and so on)

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