Difficulty: Hard

Average Score: 25%

JCKGABBH

Copy the letter string above on a piece of paper. Cross out the first and last letters. Replace the letter B with the letter Q. Insert a U after each Q. Switch the first and last letters.

Which letter sequence remains on the page after following the given instructions to modify a letter sequence?

Rationale

UKGAQUQU

Following the instructions, we start with the string JCKGABBH, cross out the first (J) and last (H) letters, replace the B's with Q's, insert a U after each Q, and finally switch the first and last letters, resulting in UKGAQUQU.

A (CKGAQUQU) YOUR ANSWER

This option appears to have omitted the first and last letters (J and H) correctly and replaced B with Q, but it fails to include the required U after each Q, thus not following all instructions fully.

B (UKGAQUQU) CORRECT

This choice accurately reflects all modifications: it correctly starts with U (after switching the first and last letters), maintains the correct middle sequence, and includes U after each Q, fulfilling all given instructions perfectly.

C (HCKGAQUQ) YOUR ANSWER

This choice incorrectly retains the last letter H, which should have been crossed out according to the instructions. Additionally, it does not switch the first and last letters, leading to an incorrect final sequence.

D (QKGAQUCJ) YOUR ANSWER

This option incorrectly begins with Q and ends with J, neither of which are the first and last letters of the modified sequence after following the instructions. It also fails to include the required U after the Q, making it an inaccurate representation.

Conclusion

The correct sequence after modifying JCKGABBH according to the specified instructions is UKGAQUQU. Each step in the modification process was crucial, and only option B correctly represents the final result by adhering to all the transformation rules provided.

Which letter sequence remains on the page after following the given instructions to modify a letter sequence?

UKGAQUQU

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