a,b,c,d,e,f,g sitting in a row what is the probability that a,b & c sitting together.	Select:
A) 3/7
B) 5/7
C) 6/7
D) 2/7
E) 1/7
total number of arrangement is= 7!= 5040   Favorable event i.e a,b and c can be arranged together in 3! and the remaining can be arranged in5! since abc can be in any of the five positions.   so 5!*3!/7! = 2/5   ANSW1/7R:1/7
<result>E</result>
a,b,c,d,e,f,g sitting in a row what is the probability that a,b & c sitting together.