Instructions

There are five students $$𝑆_{1}, 𝑆_{2}, 𝑆_{3}, 𝑆_{4} and 𝑆_{5}$$ in a music class and for them there are five seats $$𝑅_{1}, 𝑅_{2}, 𝑅_{3}, 𝑅_{4} and 𝑅_{5}$$ 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

Question 53

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

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JEE (Advanced) 2018 Paper-1

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

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