Question

" PARAGRAPH "A"
There are five students S₁, S₂, S₃, S₄ and S₅ in a music class and for them there are five seats R₁, R₂, R₃, R₄ and R₅
arranged in a row, where initially the seat Rі is allotted to the student Sі, 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 "A", the question given below is one of them)
"
The probability that, on the examination day, the student S₁ gets the previously allotted seat R₁ , and
NONE of the remaining students gets the seat previously allotted to him/her is
(A) 3 (B) 1 (C) 7 (D) 1
40 8 40 5

Answer 1

Answer:

1 . I hope the answer is helpful