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Four persons A, B, C, D participate in and finish a race. There are no ties for any position at the finish of the race. The following statements are known about the race. C finished somewhere ahead of A and B finished somewhere ahead of D. If D finished third, which of the following must be true?

Four persons A, B, C, D participate in and finish a race. There are no ties for any position at the finish of the race. The following statements are known about the race. C finished somewhere ahead of A and B finished somewhere ahead of D. If D finished third, which of the following must be true? Correct Answer A finished last

According to given information:

C finished somewhere ahead of A → C > A

B finished somewhere ahead of D → B > D

D finished third,

There will be two possible cases

Case 1 → B > C > D > A

Case 2 → C > B > D > A

Only “A finished last” is true in both the cases.

Hence, ‘A finished last’ is definitely true.

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