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Get access to the detailed solutions to the previous years questions asked in IIFT exam
Explanation:
Each of the 5 papers can be checked by any of the 9 professors and thus the total number of way = 9
Selecting exactly 2 of the 9 professors can be done in way = 36
They can correct the 5 papers in 2 - 2(all the 5 papers checked by the same professor) = 30 ways.
Thus, the total number of ways = 36*30
Hence, the required probability = 40/2187
Hence, option B is the correct answer.