10ticks Friday Puzzle

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Welcome to Ian’s Friday Puzzle! Dust off those Friday cobwebs with a little manipulation of the old grey matter. Perplexing puzzles, logical, illogical, and sometimes just plain stupid. Be prepared to be bewildered, befuddled and bedazzled!

See the latest Friday Puzzle below and look at all the past puzzles. Get the Friday Puzzle straight to your phone, follow us on Twitter. The first 5 correct answers join our Hall of Fame!

This week's Friday Puzzle

Draw a straight line/s so the shape is split into two congruent halves.


This is a fishy problem.

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Friday Puzzle (07/09/2018)

Alex catches between 60 and 90 fish.

She counts them in fours and has 3 fish left over.

She counts them in fives and has 1 fish left over.

How many fish does she catch?

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Friday Puzzle (17/08/2018)

With one straight cut you can slice a pie into two pieces.

A second cut will produce four pieces of pie and a third cut can produce up to seven pieces of pie.

What is the largest number of pieces of pie that you can get with six straight cuts?

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Friday Puzzle (10/08/2018)

A spider is at the vertex X on a cube of side length 12 cm. It strolls along the marked path to vertex Y.

How far has the spider strolled?

spider on cube

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Friday Puzzle (03/08/2018)

A goldfish costs £1.40 and a swordtail fish costs £1.80.

Chris spent exactly £20 for some of these fish.

How many of each did he buy?

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Friday Puzzle (27/07/2018)

At which whole hour times are the angles between the minute hand and the hour hand 120 degrees?


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Friday Puzzle (13/07/2018)

shape addition

Different shapes represent different digits.

What digit does each shape represent?

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Friday Puzzle (06/07/2018)

The large triangle has side lengths 5 cm.

equilateral triangle

What percentage of the triangle is shaded red?

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Friday Puzzle (29/06/2018)

Eight ping-pong balls are marked 1, 2, 4, 8, 16, 32, 64 and 128.

Chris takes some ping-pong  balls and Paul has the rest.

When they sum up the numbers Paul’s sum is 31 more than Chris’.

How many ping-pong balls did Chris take?

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Friday Puzzle (22/06/2018)

Jean writes four consecutive positive integers.

She then calculates the four possible totals made by taking three of the integers at a time.

None of these totals is a prime number.

What is the smallest possible integer Jean could have written?

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