CSATPermutation, Combination & ProbabilityLinear Permutation2015

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 person-4. 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

Correct Answer: Option C

Explanation

This is an arrangement

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