PracticeMaths

Courses / Numerical Reasoning

Combined Rates

Turn workers, machines and pipes into rates per hour, combine them, then divide the work by the combined rate.

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15 questions, one at a time, each with its own time limit. About 30 minutes in total. You will get your score at the end.

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Printable papers

£2.50 each. Pay and download — no account needed.

  • Combined RatesQuestions

    Method guide and 15 practice questions (R1–R15).

    PDF · 6 pages

  • Combined RatesAnswers

    Fully worked solutions with methods, diagrams and checks.

    PDF · 7 pages

  • Combined RatesNotes

    The method, three worked examples and the mistakes to avoid.

    PDF · 2 pages

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