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Question

KY 1 is related to MU 17 in a certain way. In the same way, FI 8 is related to HE 24. To which of the following is RF 3 related, following the same logic?

This question was previously asked in
RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (20-Jun-2026) (Shift 3)
The correct answer is

TB 19

Compare the letters and the number separately in each given pair.

KY 1 → MU 17: K(11)→M(13) is +2, Y(25)→U(21) is −4, and 1 → 17 is +16.

FI 8 → HE 24: F(6)→H(8) is +2, I(9)→E(5) is −4, and 8 → 24 is +16, confirming the rule (first letter +2, second letter −4, number +16).

Apply this to RF 3: R(18)+2 = T, F(6)−4 = B, and 3 + 16 = 19.

Hence, RF 3 is related to TB 19.

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