In a certain code, '786' means 'study very hard', '958' means 'hard work pays' and '645' means 'study and work'.
Which of the following is the code for 'very' ?
In the first and second statement, the common word is 'hard' and the common code digit is '8'.
So, '8' means 'hard'.
In the first and third statements, the common word is 'study' and the common code digit is '6'.
So, '6' means 'study'.
Thus, in the first statement, '7' means 'very'.
Hence, the answer is (c).