Analyzing the Alphabet Pattern

The question presents two pairs of letter sequences: WTU-XUV and QNO-ROP. We need to find the underlying pattern that connects the letters within each pair and then select the option that follows the same pattern.

Step 1: Examine the first pair (WTU-XUV)

Let's look at the relationship between WTU and XUV:

• The first letter W shifts to X.
• The second letter T shifts to U.
• The third letter U shifts to V.

Comparing the positions in the alphabet:

• W is the 23rd letter, and X is the 24th letter. The change is +1 ( $24 - 23 = 1$ ).
• T is the 20th letter, and U is the 21st letter. The change is +1 ( $21 - 20 = 1$ ).
• U is the 21st letter, and V is the 22nd letter. The change is +1 ( $22 - 21 = 1$ ).

The pattern observed is that each letter in the first sequence is shifted one position forward in the alphabet to get the corresponding letter in the second sequence.

Step 2: Verify the pattern with the second pair (QNO-ROP)

Let's check if the same +1 shift pattern applies:

• The first letter Q shifts to R.
• The second letter N shifts to O.
• The third letter O shifts to P.

Comparing the positions in the alphabet:

• Q (17th) to R (18th): Change is +1 ( $18 - 17 = 1$ ).
• N (14th) to O (15th): Change is +1 ( $15 - 14 = 1$ ).
• O (15th) to P (16th): Change is +1 ( $16 - 15 = 1$ ).

The pattern of shifting each letter one position forward in the alphabet holds true for both given pairs.

Step 3: Apply the pattern to the options

We need to find a pair where the second sequence is formed by shifting each letter of the first sequence one position forward.

• Option 1: TPP-TQR
  • Applying the +1 pattern to TPP:
  • T (20) + 1 = U (21)
  • P (16) + 1 = Q (17)
  • P (16) + 1 = Q (17)
  • So, TPP should become UQQ. The option given is TQR, which doesn't match.
• Option 2: TQR-URS
  • Applying the +1 pattern to TQR:
  • T (20) + 1 = U (21)
  • Q (17) + 1 = R (18)
  • R (18) + 1 = S (19)
  • So, TQR becomes URS. This matches the pair given in the option.
• Option 3: TQR-TRR
  • We already found that TQR becomes URS using the pattern. The option gives TRR, which doesn't match.
• Option 4: TPP-URS
  • We found that TPP becomes UQQ. The option gives URS, which doesn't match.

Conclusion

Only the pair TQR-URS follows the established pattern where each letter in the first sequence is shifted one position forward in the alphabet to form the second sequence.