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Question

Select the triad which follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.
FB-IE-LM
JF-MI-PQ

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is
LH-OK-RS

To determine which triad follows the same pattern as the given triads, let's first analyze the patterns in the provided pairs: FB-IE-LM and JF-MI-PQ. We will then apply the same logic to identify the correct answer from the given options.

  1. Pattern Analysis of FB-IE-LM:
    • Consider the pairs of letters: FB-IE-LM.
    • F to I: The letter F is the 6th letter and I is the 9th letter in the alphabet, so the pattern is an increase of 3.
    • B to E: The letter B is the 2nd letter and E is the 5th letter, with an increase of 3.
    • Similarly, IE to LM: I (9) to L (12), E (5) to M (13), both increments follow the pattern from the first pair, with I to L being an increase of 3, and E to M being an increase of 8, suggesting a consistent increment per position among the given triads.
  2. Pattern Analysis of JF-MI-PQ:
    • From J to M: J (10) to M (13), with an increase of 3 again.
    • From F to I: F (6) to I (9), with an increase of 3.
    • From M to P: M (13) to P (16), which also showcases an increase of 3.
    • Continuing with I to Q: I (9) to Q (17), which corresponds to an increment of 8, same as E to M in the prior triad.

Let's summarize: The pattern involves increasing certain letters by a fixed number, primarily 3 across triads, followed by a larger fixed increase for specific second positions adding up consistently with a larger number (i.e., I to M (3)/E to M (8)).

Let's apply this pattern to find the consistent match amongst given options:

  • LH-OK-RS:
    • L to O: L (12) to O (15) = Increase of 3
    • H to K: H (8) to K (11) = Increase of 3
    • O to R: O (15) to R (18) = Increase of 3
    • K to S: K (11) to S (19) = Increase of 8

Thus, the given option LH-OK-RS follows the exact increment pattern as the previous logic and is the correct triad as per the problem statement.

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