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Question

Arrange the following groups to form a logical series starting with C 7 J.
A. I 13 P
B. A 5 H
C. Q 21 X
D. K 15 R
E. S 23 Z
Choose the correct answer from the options given below :

This question was previously asked in
CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
D, E, B, A, C

To solve this question, we need to arrange the given groups in a logical series starting with C 7 J. Let's first analyze the provided groups:

  • A. I 13 P
  • B. A 5 H
  • C. Q 21 X
  • D. K 15 R
  • E. S 23 Z

The pattern in each element follows the format: Letter Number Letter. To identify a sequence, we can inspect the alphabetical position of the letters and the numbers:

  1. C 7 J: Here, C is the 3rd letter in the alphabet, and J is the 10th letter. The number 7 is the difference between these positions (10 - 3 = 7).
  2. I 13 P: I is the 9th letter, and P is the 16th letter. The difference is 7 (16 - 9 = 7).
  3. A 5 H: A is the 1st letter, and H is the 8th letter. The difference is 7 (8 - 1 = 7).
  4. Q 21 X: Q is the 17th letter, and X is the 24th letter. The difference is 7 (24 - 17 = 7).
  5. K 15 R: K is the 11th letter, and R is the 18th letter. The difference is 7 (18 - 11 = 7).
  6. S 23 Z: S is the 19th letter, and Z is the 26th letter. The difference is 7 (26 - 19 = 7).

As we observe, all the series maintain a consistent difference of 7 between the alphabetical positions of letters. The rule for forming the series seems to involve arranging the pairs based on the alphabetical position of the first letter in ascending order.

Reorganizing them in alphabetical order:

  1. A 5 H
  2. C 7 J
  3. I 13 P
  4. K 15 R
  5. Q 21 X
  6. S 23 Z

The correct logical series starting with C 7 J is D, E, B, A, C according to the alphabetical order of the first letters: thus following the sequence of K, S, A, I, Q.

Therefore, the correct answer is: D, E, B, A, C.

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