Question

Study the following chart carefully and answer the question given.
Cars of which colour when increased by two per cent and then combined with that of red cars will make $30$ per cent of the total?

• A. Black
• B. Golden
• C. Red
• D. None of these

Answer 1

The correct option is D None of these

$(x+2)+19=30$

% of red cars$=19$

$x=9$%

Therefore, green colour cars are of $9$%