Option (d) "E is seated fifth" cannot be true.
Let's go through each option in detail based on the given conditions:
Given conditions:
C is seated first.
A or B is seated in the second position.
D is seated third.
F is seated fourth.
E is seated fifth.
A or B is seated in the sixth position.
Now, let's evaluate each option:
a) A is seated second.
This is possible because A or B could be in the second position.
b) B is seated sixth.
This is possible because A or B could be in the sixth position.
c) F is seated fourth.
This is valid according to the given conditions.
d) E is seated fifth.
This cannot be true because E is specifically mentioned to be seated in the fifth position. Therefore, this option is the one that cannot be true based on the given information.
In summary, option (d) "E is seated fifth" cannot be true,
The probable complete question could be
In a seating arrangement of six people—A, B, C, D, E, and F—certain conditions are given:
1. C is seated first.
2. A or B is seated in the second position.
3. D is seated third.
4. F is seated fourth.
5. E is seated fifth.
6. A or B is seated in the sixth position.
Which one of the following cannot be true?
a) A is seated second.
b) B is seated sixth.
c) F is seated fourth.
d) E is seated fifth.