10ticks Friday Puzzle
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!
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This week's Friday Puzzle
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?
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?
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?
Friday Puzzle (27/07/2018)
At which whole hour times are the angles between the minute hand and the hour hand 120 degrees?
Friday Puzzle (13/07/2018)
Different shapes represent different digits.
What digit does each shape represent?
Friday Puzzle (06/07/2018)
The large triangle has side lengths 5 cm.
What percentage of the triangle is shaded red?
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?
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?
Friday Puzzle (15/06/2018)
Beth has a thin sheet of paper measuring 40 cm by 30 cm.
She repeatedly folds her paper in half by folding along the shorter line of symmetry.
She finishes when she has a rectangle with area 75 cm2.
What is the perimeter of her final rectangle?
Friday Puzzle (08/06/2018)
In the 10ticks office the each month consists of 50 days, numbered 1 to 50.
Any day whose number is divisible by 6 is a holiday, and any day whose number is a prime is a holiday.
How many times in a month does a single working day occur between two holidays?