There are five students `S_(1),S_(2),S_(3),S_(4)` and `R_(5)` arranged in a row, where initially the seat `R_(1)`is allotted to the students are randomly allotted the five seats `R_(1),R_(2),R_(3),R_(4)` and `R_(6)` arranged in a row, where initially the seat `R_(i)` is allotted to the student `S_(i)i,=1,2,3,4,5. But, on the examination day, the five students are randomly allotted the five seats.
(There are two questions based on Paragraph, the question given below is one of them)
The probability that, on the examination day, the student `S_(1)` gets the previously allotted seat `R_(1)`, and NONE of the remaining students gets the seat previously allotted to him/her is
A. `(3)/(40)`
B. `(1)/(8)`
C. `(7)/(40)`
D. `(1)/(5)`