Aspire Faculty ID #16359 · Topic: NIMCET 2010 · Just now
NIMCET 2010

There are 6 tasks and 6 persons. Task 1 cannot go to person 1 or 2. Task 2 must go to either person 3 or person 4. Every person gets exactly one task. How many assignments are possible?

Solution

Task 2 has 2 choices (person 3 or 4). Casework gives total 180 valid permutations.

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