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If in a code, 'STEADY" is written as '7-2-8-5-0-1' and *ENTRY' is written as *8-3-2-6-1', then in the same code, 'ARREST' will be written as

  • A.2-6-6-8-7-5
  • B.5-6-6-7-8-2
  • C.5-6-6-8-7-2
  • D.2-6-6-7-8-5

Answer: C

ARREST is written as 5-6-6-8-7-2. Compare STEADY = 7-2-8-5-0-1 and ENTRY = 8-3-2-6-1 letter by letter: S = 7, T = 2, E = 8, A = 5, D = 0, Y = 1 from the first, and E = 8, N = 3, T = 2, R = 6, Y = 1 from the second, which agree on E, T and Y. Therefore A = 5, R = 6, R = 6, E = 8, S = 7, T = 2.

The other options start with 2 (the code for T) or reverse the last letters.

The two given words share E, T and Y, and the code letters agree in both words (E = 8, T = 2, Y = 1), which confirms the letter-by-letter reading.

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