Question
Quantitative Aptitude Question on Permutations and Combinations
There are 8 tasks and 8 persons. Task 1 cannot be assigned either to person 1 or to person 2 or to person 8; task 2 must be assigned to either person 3 or person 4 or person 5. Every person is to be assigned one task. In how many ways can the tasks be assigned?
A
3360
B
5040
C
6720
D
8640
E
20160
Answer
8640
Explanation
Solution
The correct option is (D): 8640