7 books consisting of 3 financial management, 2 marketing management and 2 system management are placed on a shelf at random order. What is the probability that the books of each kind are all together.	Pick.
A) 1/1155
B) 1/5040
C) 1/2255
D) 1/1355
E) 1/1455
Since the denominator will be 7! . And there is no way to divide 7 from numerator and denominator. Use a multiple of 7 in the denominator only answer   1/5040
<result>B</result>
7 books consisting of 3 financial management, 2 marketing management and 2 system management are placed on a shelf at random order. What is the probability that the books of each kind are all together.