In a certain code language, '123' means 'bright little boy',
'145' means 'tall big boy' and
'637' means 'beautiful little flower'.
Which digit in that language means 'bright' ?
In a certain code language, '3a, 2b, 7c' means 'Truth is Eternal';
'7c, 9a, 8b, 3a' means 'Enmity is not Eternal' and
'9a, 4d, 2b, 8b' means 'Truth does not perish'.
Which of the following means 'enmity' in that language ?
In a certain code, '253' means 'books are old';
'546' means 'man is old' and
'378' means 'buy good books'.
What stands for 'are' in that code ?