If the amount of red is greater than blue, which way will the resulting violet lean?

Correct answer: Reddish violet

The governing idea is that the relative quantity of each pigment influences the colour bias of a mixture. Violet is formed from red and blue, so adding more red makes the mixture appear closer to red while it remains violet overall. Option A is therefore correct. More blue would produce bluish violet; yellowish and greenish violet are not the expected results of simply increasing red.