Time | 7:10 am | 7:15 am | 7:25 am | 7:30 am | 7:40 am | 7:45 am |
Person | Akil,? | ? | ? | Chitra | Fatima | ? |
Definitely Room 102
Since Room 101 already includes Akil (1st), Divya (2nd), Balaram (3rd), and Fatima (later), it is certain that Divya entered Room 101.
Answer: Definitely Room 101
From the arrangement, Room 102 had only two people: Ganeshan and Chitra. Since Chitra was the last person to enter, Ganeshan must have been the first in Room 102. Therefore, no one entered Room 102 before Ganeshan.
Answer: No one
The correct answer is (B):
From this information, we know:
Since Divya and Balaram entered before Fatima, and Ganeshan also entered before Chitra, we can say that Divya, Balaram, and Ganeshan entered before Chitra and Fatima in some order. Hence, Erina entered the room before all of them.
Answer: 7:45 am
The correct answer is (B):
From the above information, the room entry order is reconstructed as follows:
From the entry times:
Answer: 7:25 am
A | B | C | D | Average |
---|---|---|---|---|
3 | 4 | 4 | ? | 4 |
3 | ? | 5 | ? | 4 |
? | 3 | 3 | ? | 4 |
? | ? | ? | ? | 4.25 |
4 | 4 | 4 | 4.25 |