The probability that A speaks truth is 2/5 and that of B speaking truth is 3/7. What is the probability that they agree in stating the same fact? Options:	A) 18/35	B) 17/35	C) 18/36	D) 18/16	E) 18/31
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   Answer: 17/35
<result>B</result>
The probability that A speaks truth is 2/5 and that of B speaking truth is 3/7. What is the probability that they agree in stating the same fact?