In a certain code, 'sky is blue’ is written as '815' ; 'blue and red' is written as '725'; 'Ram likes red’ is coded as '203'; 'Sita and Ram' is written as '379'. What will be the code for 'Ram likes blue’?

In the code language,

'sky is blue' is written as '815' ..........(1)

'blue and red' is written as '725' .......(2)

'Ram likes red’ is coded as '203' .......(3)

'Sita and Ram' is written as '379' .......(4)

Comparing (1) and (2), the code for 'blue' is '5'

Comparing (3) and (4), the code for 'Ram' is '3'

Comparing (2) and (3), the code for 'red' is '2'

From (3), the code for remaining word 'likes' is '0'

$$\therefore\ $$The code for 'Ram likes blue’ is '503'

Hence, the correct answer is Option D