Mn2+,Mn+3,Mn+6 shows ____________________ colours respectively.
Among red, yellow and blue, blue coloured light has the shortest wavelength.
The elements of sets A , B and C are all colours as follows:
A = { Red , Orange , Yellow , Brown } ,
B = { Blue , Yellow , Green , Brown } ,
C = { Black , Brown , White , Grey }
Then, A U B U C is
If blue and yellow paints are mixed in the ratio 7:5 to make a new colour, blue paint is used 10 litres more than yellow paint then find how many litres of blue and yellow paint is used.