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A speaks the truth 5 7 \frac{5}{7} 7 5 ​ times and B speaks the truth 8 9 \frac{8}{9} 9 8 ​ times. What is the probability that they contradict each o...

SSC SSC CGL Tier 2 Easy Tables & Graphs MCQ

Question

A speaks the truth 57\frac{5}{7} times and B speaks the truth 89\frac{8}{9} times. What is the probability that they contradict each other in stating the same fact?

Options

A.

17\frac{1}{7}

B.

19\frac{1}{9}

C.

14\frac{1}{4}

D.

13\frac{1}{3}

probabilitytruth and liecontradictionbasic probability

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