GATE 2018 Previous Year Paper Solution Question 15 – Computer Science

In this video question which was asked in the exam of GATE 2018 is discussed.

Question :- Two people, P and Q, decide to independently roll a dice, each with 6 faces, numbered 1 to 6. The person with the lower number wins. In case of a tie, they roll the dice repeatedly until there is no tie. Define a trial as a throw of the dice by P and Q. Assume that all 6 numbers on each dice are equi-probable and that all trials are independent. The probability (rounded to 3 decimal places) that one of them wins on the third trial is __________ .

Solution is explained in the video.