In a certain code language, '381' means 'Hari is honest';
'162' means 'Shashi is intelligent' and
'948' means 'Hari should go'.
Which digit in that language means 'honest' ?
In the first and second statements, the common code digit is '1' and the common word is 'is'.
So, '1' means 'is'.
In the first and third statements, the common code digit is '8' and the common word is 'Hari'.
So, '8' means 'Hari'.
Thus, in the first statement, '3' means 'honest'.