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Monday, 19 May 2014

Sunday Afternoon Maths XIII Answers & Extensions

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.