下面是培臻教育小編為大家整理的一篇關于BMAT考試練習題11的文章，供大家參考，下面是詳細內容。

An artist has three 100ml tubes of paint: one red,one yellow and one blue.

Mixing equal quantities of red and yellow givesorange, mixing equal quantities of red and blue gives purple, mixing equalquantities of yellow and blue gives green, and mixing equal quantities of red,yellow and blue gives brown.

The design of a small mural needs 30% of brown and20% of red, as well as 10% of

each of blue, yellow, orange, purple and green.

If after painting the mural the artist has 20ml ofpaint left in the red tube, how much blue paint will be left?

A 30ml

B 40ml

C 50ml

D 60ml

E 70ml

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