CivilsIASPrep.comUPSC PYQs: Coding-decoding
Review complete published questions grouped by topic: Coding-decoding.
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Questions
- If ZERO is coded as ADSN by alternately shifting letters +1,−1,+1,−1, how is STOP coded?2026 · Prelims CSAT · Logical Reasoning, Reasoning · Coding-decoding
- If NO is coded as 210, NOT as 4200 and NOTE as 21000, how is NOTES coded?2025 · Prelims CSAT · Reasoning, Logical Reasoning · Coding-decoding
- If FRANCE is coded 654321 and GERMANY is coded 9158437, how is YEMEN coded?2025 · Prelims CSAT · Reasoning, Logical Reasoning · Coding-decoding
- In a code, ABCD is written as 24 and EFGH as 1680. How is IJKL written?2024 · Prelims CSAT · CSAT · Coding-Decoding
- In a code, POT becomes ATOP and TRAP becomes APART. How is ARENA written?2024 · Prelims CSAT · CSAT · Coding-Decoding
- Letters P, Q, R, S and T represent the numbers 4, 5, 10, 12 and 15 in an unknown order. If Q−S=2S and T=R+S+3, what is P+R−T?2024 · Prelims CSAT · CSAT · Coding-Decoding
- If the alphabet is reversed so A maps to Z, B to Y, and so on, how is LUCKNOW encoded?2022 · Prelims CSAT · CSAT · Coding-decoding
- In a code, MATHEMATICS becomes LBSIDNZUHDR by alternately shifting letters backward and forward by one. How is CHEMISTRY coded?2021 · Prelims CSAT · CSAT · Coding-decoding
- If letters are valued A=1, B=2, …, Z=26, and the coding rule maps GHI to 1578 and DEF to 912, what is the code for ABC?2020 · Prelims CSAT · CSAT · Coding-Decoding
- If LSJXVC is the code for MUMBAI under a backward-shift pattern, what is the code for DELHI?2018 · Prelims CSAT · CSAT · Coding Decoding
- If RAMON=12345 and DINESH=675849, how is HAMAM written?2018 · Prelims CSAT · CSAT · Coding Decoding
- A military code writes SYSTEM as SYSMET and NEARER as AENRER. Using the same code, FRACTION can be written as:2016 · Prelims CSAT · Logical Reasoning · Coding-Decoding