Math Methods Probability matrix answer

I've not seen this method before, but it works, simply for e and f

Specialist Question Density Function Variance

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Victorian year 12 VCE

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Vic yr 11 specialist pipes q

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The two pipes fill tank in 11 and two ninths minutes

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Answer .. text book was right .. 21 and 16 min, approx

Cask wine question involving mixing Vic year 11 Specialist

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Repeated Monash Selective test Q 30 seconds year 7

The question is given to year 7 students seeking selective schooling entrance in Victoria. Only 5% of applicants succeed. They have approximately 30 seconds for an answer. The official answer of 28 (B) seems explicitly wrong, seeing as it assumes (if correct) that the separate interval links marked differently are equal.

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