NIMCET 2018 Question Paper with solutions

Question : 38 of 120

Marks: +1, -0

Two persons A and B agree to meet on 20th April 2018 between 6 P.M. and 7 P.M. with the understanding that they will wait no longer than 20 minutes for the other. What is the probability that they meet ?

Validate

Solution:

There are total minutes between 6 P.M to 7 P.M = 60 min.
Probability of meeting longer than 20 minutes of 2 persons
=

({40}/{60})^2

4/9

So, the probability of meeting no longer than 20 minuteswill be = 1 -

4/9

5/9

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