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In a certain code, ‘air water land’ is coded as ‘dy ph mt’,‘fire land ice’ is coded as ‘lp ph st’, and‘water fire grass’ is coded as ‘st bq dy’.What is the code for 'land' in that language? (Note: All the codes are two letter coded only.)
ph
st
dy
mt
ph
Identify common words between sentences and their shared codes. Since 'land' appears only in the first and second sentences, its code must be the one common to those two.
Identify common words between sentences and their shared codes. Since 'land' appears only in the first and second sentences, its code must be the one common to those two.
Analyze Sentence 1 & 2
Sentence 1 ('air water land') and Sentence 2 ('fire land ice') share the word 'land'. Comparing their codes ('dy ph mt' and 'lp ph st'), the only code present in both is 'ph'.
Cross-Verify
Check if 'ph' appears elsewhere. Since 'ph' is not in Sentence 3 ('water fire grass'), it confirms 'ph' is the unique code for 'land', as 'land' is not present in Sentence 3.
B: 'st' is present in sentences 2 and 3, which corresponds to the common word 'fire'. C: 'dy' is present in sentences 1 and 3, which corresponds to the common word 'water'. D: 'mt' appears only in sentence 1 and would correspond to 'air' or 'water' uniquely if not already mapped.
A is correct because 'ph' is the only code common to the first two sentences containing the word 'land', and it is absent from the third sentence.
In coding-decoding questions with multiple sentences, always map the words that appear in the maximum number of sentences first to fix their codes quickly.
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