- APAQMT
- BXAQMT
- CXAQMX
- DPAQMX
Step-by-Step Solution
4 8 3 5 6 begins with 4 (even) and ends with 6 (even), so both are coded X. The middle digits 8, 3, 5 give A, Q, M, producing X A Q M X.
Answer: C) XAQMX
Digits are coded by letters as: 2=D, 3=Q, 4=P, 5=M, 6=T, 7=R, 8=A, 9=K. Condition: if a number begins and ends with an even digit, code both its first and last digits as X. Code the number 4 8 3 5 6.
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