engineering recuitment NIC NIELIT Scientist B 2023 Mock Test General Aptitude Numerical Ability Numerical Computation
Only four sets of four B. Tech students(each set is from different college containing all students from different year) are standing in a queue for movie tickets. What is the Number of different possible queues if a junior never stands in front of a senior from his college?
1
\(\left( {\frac{{16!}}{{4!4!4!3!}}} \right)\)
2
\(\left( {\frac{{16!}}{{4!4!4!4!}}} \right)\)
3
\(\left( {\frac{{16!}}{{4!4!4!4!4!}}} \right)\)
4
\(4!4!4!4!\)