This post contains the answers to this week's Sunday Afternoon Maths and some extension problems based around the originals.

#### Mean, Mode, Median, Range

**A**1, 3, 4, 6 & 6

**B**1, 1, 1, 3 & 9

**C**1, 2, 2, 4 & 6 or 2, 2, 2, 2 & 7

##### Extension

**A**and

**B**have only one solution.

**C**has two solutions. For which other numbers

*a*,

*b*,

*c*and

*d*does the problem

Find five one-digit positive integers which have a mean of

*a*, mode of*b*, median of*c*and a range of*d*.have more than one solution

#### Times Roamin'

One of the terms in the series will be \((x-x)\), so the product will be zero.

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