Q. In a code language ‘MATHEMATICS’ is written as ‘LBSIDNZUHDR’. How is CHEMISTRY’ written in that code language?
(a) DIDLHRSSX
(b) BIDNHTSSX
(c) BIDLHTSSX
(d) DGFLIRUQZ
Correct Answer: (b) BIDNHTSSX
Question from UPSC Prelims 2021 CSAT Paper
Explanation :
MATHEMATICS – CHEMISTRY
According to the pattern:
For odd positions (1,3,5,7,9,11): Subtract 1
For even positions (2,4,6,8,10): Add 1
MATHEMATICS → LBSIDNZUHDR
CHEMISTRY → BIDLHTSSX
Therefore, answer is (c) BIDLHTSSX
