In the sequence 1, 5, 7, 3, 5, 7, 4, 3, 5, 7, how many such 5s are there which are not immediately preceded by 3 but are immediately followed by 7?
A
1
B
2
C
3
D
None
Correct Answer: Option A
Explanation
To solve this, we will use a simple visual scanning method, similar to how we scan for 'Immediate Neighbours' [57] in previous years' seating arrangement questions.
We need to find the number