the probability of a student possessing a ball point pen in exam is 3/5 & possessing an ink pen is 2/3. find his probability of possessing at least one of them	Options
A) 10/15  B) 11/15  C) 12/15  D) 13/15  E) 14/15
the probability of a student possessing a ball point pen in exam is 3/5 .   the probability of a student not possessing a ball point pen in exam is 2/5 &amp; possessing an ink pen is 2/3.   &amp; not possessing an ink pen is 1/3.   his probability of possessing none of them =2/5*1/3=2/15   his probability of possessing one of them =1-2/15 = 13/15   ANSWER:13/15
<result>D</result>
the probability of a student possessing a ball point pen in exam is 3/5 & possessing an ink pen is 2/3. find his probability of possessing at least one of them