1.

There are 5 tasks and 5 persons. Task - 1 cannot be assigned to either person-1 or person-2, Task-2 must be assigned to either person-3 or person4. Every person is to be assigned one task. In how many ways can the assignment be done ?

A. 6
B. 12
C. 24
D. 144
Answer» D. 144


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