An unknown part in a colour ratio
An unknown part in a colour ratio
Secondary 2
2 marks
TGM Original Questions
Core stretch
Yellow, blue and red balls are in the ratio \(x:5:3\). The probability of drawing yellow is \(\frac{3}{7}\). One ball is selected at random. Find \(x\).[2]
Solution:
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Answer:\(x=6\).
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