Paper 1 · Mathematical Reasoning and Aptitude
UGC NET December 2021 June 2022 (09.07.2022) Shift-I
If the word EARTH is written as QPMZS in coded form, how can the word HEART be written in the same code?
ASPMZQ
BSQMPZ
CSPMQZ
DSQPMZ ✓ Correct
Correct answer: (D) SQPMZ — HEART is written as SQPMZ, so option D is correct.
Explanation
★HEART is written as SQPMZ, so option D is correct.
★From the code, each letter maps to a fixed substitute.
★E maps to Q, A maps to P, R maps to M, T maps to Z, and H maps to S.
★So encode HEART letter by letter using this mapping.
★H becomes S, E becomes Q, A becomes P, R becomes M, and T becomes Z.
★Reading the substitutes in order gives SQPMZ.
★Substitution coding is solved by building the letter map from the given word.
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