Transum Mathematics Puzzles

John Tranter

This Transum podcast features a puzzle of the month as well as information about everything new on Transum Mathematics. Look for the latest episode of the podcast in the iTunes Store

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141 episodes
Updated Saturday

Episodes141

Newest first

Aug 1, 2021 · 12 min
Where's The Father?
What seems like a familiar puzzle has an unusual twist.
Jul 1, 2021 · 14 min
A Frobenius coin problem
What is the largest amount that cannot be made with 5p and 7p coins?
Jun 1, 2021 · 14 min
Bus Fare Premonition
How did the bus driver know how much to charge Mrs P and Mrs Q?
May 1, 2021 · 14 min
A Half Mean Angle
Find angle A given that it is the half of the mean of the angles at B and C in triangle ABC.
Apr 1, 2021 · 18 min
Food Inflation
The cost of a meal increases by 4% to a whole number of pounds.
Mar 1, 2021 · 11 min
Chris and his Unpredictable Kids
A think of a number puzzle with an unpredictable element.
Feb 1, 2021 · 10 min
Keith and Kath
Find the ages of Keith and Kath from the clues given.
Jan 1, 2021 · 7 min
Two-Faced and Blue
How many of the smaller cubes that make up the 3x3 cube have two faces painted blue?
Dec 1, 2020 · 12 min
Santa is Cool
What temperature is reported using the same number in Celsius and Fahrenheit?
Nov 1, 2020 · 10 min
Three Trios of Triplets Thrice
A simple question that seventy two percent of a group of people got wrong.
Oct 1, 2020 · 11 min
Trains Together
How far apart will the trains be half an hour before they meet?
Sep 1, 2020 · 6 min
Six Ropes
Can the pirates win their freedom by tying the six pieces of rope into one large loop?
Aug 1, 2020 · 8 min
Bogdan and Wally
In what order should you play Ultimate Noughts and Crosses against Wally and Bogdan?
Jul 1, 2020 · 8 min
What's My Name Riddle
Work out the name from the rhyming riddles.
Jun 1, 2020 · 9 min
Mathematical Days
What is the date of the next Pythagorean Theorem Day?
May 1, 2020 · 10 min
Eva's Eggs and Fickle Fractions
How many eggs did Eva take to market in order to make those strange half sales?
Apr 1, 2020 · 9 min
Feeding Fools and Horses
How long will the horse feed last the horses after some of them left the stables?
Mar 1, 2020 · 8 min
Balancing Balloons
How many balloons must Jamie give to Ben to balance the balloon equation?
Feb 1, 2020 · 12 min
Awe-Sum, Flabbergasted and a Puzzle from Carl
Carl's puzzle is about the result of dividing the product of his parents' ages by double his own age.
Jan 1, 2020 · 8 min
Odds from evens up to 2020
Subract the sum of the odd numbers less than 2020 from the sum of the even numbers less than 2020.