In a certain code language, ‘she is girl’ is coded as ‘7 3 9’; ‘he is boy’ is coded as ‘9 6 5’ and ‘girl is tall’ is coded as ‘9 3 8’. How is ‘she’ coded in that language?

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Step 1: Analyze the given codes and words.
- 'she is girl' → 7 3 9
- 'he is boy' → 9 6 5
- 'girl is tall' → 9 3 8

Step 2: Identify the common words and their codes.
- The word 'is' appears in all three sentences.
- The common code in all three code sets is '3' in the first and third, but '9' appears in all three as well.

Step 3: Check the codes for 'is'.
- 'she is girl' → 7 3 9
- 'girl is tall' → 9 3 8

The common code between these two is '3', so 'is' is coded as '3'.

Step 4: Identify the code for 'girl'.
- 'she is girl' → 7 3 9
- 'girl is tall' → 9 3 8

The common code other than '3' is '9', so 'girl' is coded as '9'.

Step 5: Identify the code for 'she'.
- From 'she is girl' → 7 3 9
- We know 'is' = 3 and 'girl' = 9
- So, 'she' must be '7'.

Therefore, the code for 'she' is 7.

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