Question

What colours are represented by P, Q, R, and S?

• A. P - Green, Q - Magenta, R- Red, S- Red
• B. P - Red, Q - Magenta, R- Blue, S- Green
• C. P - Magenta, Q - Red, R- Green, S- Blue
• D. P - Blue, Q - Red, R- Green, S- Green

Answer 1

The correct option is B P - Red, Q - Magenta, R- Blue, S- Green

Primary colours are colours which cannot be obtained by mixing other colours of light. Primary colours are red, blue, and green.
Secondary colours are colours which can be obtained by mixing two different primary colours. Secondary colours are cyan, magenta, and yellow.
We know that,
Red + Green = Yellow .....(i)
Blue + Green = Cyan .....(ii)
Red + Blue = Magenta ......(iii)
From (i), (ii), and (iii), it is clear that
P = Red, Q = Magenta, R = Blue, S = Green