Correct Answer & Explanation
Option C
Let's analyze the pattern for 'PAPER' to 'QBQFS':
• P → Q (+1)
• A → B (+1)
• P → Q (+1)
• E → F (+1)
• R → S (+1)
The pattern is a simple +1 shift for each letter.
Now, apply this pattern to 'NOTES':
• N → O (+1)
• O → P (+1)
• T → U (+1)
• E → F (+1)
• S → T (+1)
Therefore, 'NOTES' is coded as 'OPUFT'.