Spotting the Twist

16.07.2018 |

Episode #3 of the course The world’s most compelling logic puzzles by John Robin


Welcome back!

I hope you’re enjoying our tour of logic puzzles so far. Let’s look at two more quick problems today.


Puzzle 1. What about Jennifer?

If Susan is 10, Arabella is 20, and Jim and Neal are both 5 but Richard is 10, what number is Jennifer by the same system?

Click the button below when you’re ready for the answer.

See the Answer

Let’s do another quick one. See if you can spot the twist this time.


Puzzle 2. Find a Father

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child. Where is the father?

Work it out on your own first, then click the button below to find out if you’re right.

See the Answer


Recommended resource

Try out these very difficult puzzles. See if you can spot the twist involved as you think through each one.


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