A student has been assigned to perform five tasks-A, B, C, D. & E. The tasks are to be done in a particular order, which conforms to the following conditions: A must be done earlier than C. B must be done earlier than D. E cannot be the fifth task done. Which among the following is a pair of tasks that CANNOT both be done earlier than E
A A and D
B B and C
C A and B
D C and D
Solution
Correct Answer: Option D
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