Discussion
In a certain code, GIVE is coded as 5137 and BAT is coded as 924. How is GATE coded in that code ?
Answer: C
GATE is coded as 5247.
Each letter has its own fixed digit. From GIVE = 5137: G = 5, I = 1, V = 3, E = 7. From BAT = 924: B = 9, A = 2, T = 4.
So GATE = G, A, T, E = 5, 2, 4, 7, which is 5247.
The other options use the same four digits in the wrong order: 5427 swaps A and T, 5724 puts E second, and 2547 starts with A instead of G.
Such questions test whether each letter keeps the same digit wherever it appears; every letter of GATE also occurs in GIVE or BAT, so no guessing is needed.
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