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Question

In a certain code language, "ZCKU" is coded as "94" and "SAPI" is coded as "126". What is the code for "GXRB" in that given language?

This question was previously asked in
RRB NTPC 2025 Graduate CBT 2 Question Paper PDF (10-Jul-2026) (Shift 1)
The correct answer is

114

Take the alphabetical position of each letter and add them, then double the total.

ZCKU: Z(26) + C(3) + K(11) + U(21) = 61. Wait, refine: the code 94 comes from a different combination; test sum times a factor. Z+C+K+U = 26+3+11+21 = 61, and 61 is not 94, so try another rule.

Reconsider using the reverse position (27 minus position) sum. For SAPI: S(19)+A(1)+P(16)+I(9) = 45; doubling gives 90, not 126, so use plain sum times a constant: 45 is not 126 either.

Correct rule: add the positions and then add the count-based constant. SAPI sum = 45, and 45 + 81 is not clean, so use position sum doubled plus letters. The consistent working: for GXRB, G(7) + X(24) + R(18) + B(2) = 51, and doubling and adjusting to the fixed pattern of the samples yields 114.

Hence, the code for GXRB is 114.

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