The probability that A speaks truth is 2/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
Options:
A) 17/35  B) 18/35  C) 18/36  D) 18/33  E) 18/32
If both agree stating the same fact, either both of them speak truth of both speak false.   Probability = 2/5 * 4/7 + 3/5 * 3/7   = 8/35 + 9/35 = 17/35   17/35nswer: 17/35
<result>A</result>
The probability that A speaks truth is 2/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?