TS ICET 24 May 2019 Shift 1 Paper

Question : 147 of 200

Marks: +1, -0

A problem in mathematics is given to three students P, Q and R whose chances of solving it are

1/3 , 1/4

and

1/2

respectively. Then the probability that the problem will be solved is:

Solution:

Probability that the problem will be solved
= 1 – (Probability that none of them solve the problem)

=1-\;{2}/{3} × \;{3}/{4} × \;{1}/{2}

=1-\;{1}/{4}=\;{3}/{4}

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