Mathematics 4024 · O Level · Averages and measures of spread

Averages and measures of spread — practice question

The average of five numbers is $17$. Written from smallest to largest, the three least numbers are the same. The three middle numbers add up to $35$. The greatest number is four times the smallest number.
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List the five numbers in order from smallest to largest.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: 10, 10, 10, 15, 40

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