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

An uncancelled fraction is equal to 1/2. Its numerator is reduced by 2 and its denominator increased by 2 so the fraction is now worth 1/3. What was the original fraction?

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Friday Puzzle (07/04/2017)

153 is a 3-digit number where the sum of the cubes of the digits is equal to the number.
13 + 53 + 33 = 153

Find another 3-digit number that has this property.
(There are 3 more!)

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Friday Puzzle (31/03/2017)

The sum of the consecutive integers from -72 to x, inclusive is 298.

What is x?

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Friday Puzzle (24/03/2017)

A rectangle is inscribed into the quadrant of a circle as shown.

Given the unit distances shown, find the length of AC.

quadrant

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Friday Puzzle (17/03/2017)

The lowest common factor of 1147 and 1517 is 1.
What is the next lowest common factor?

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Friday Puzzle (10/03/2017)

A group of friends went out for a meal. The bill came to £200 but two of the friends had left when it was time to pay. This meant the others had to pay £5 extra to cover their meals.

How many friends originally went out for the meal?

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Friday Puzzle (03/03/2017)

What should every Roman child be?

Take one hundred and one and to it affix half of a dozen.
Append half a century to this to see what every good child should be.

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Friday Puzzle (24/02/2017)

Start with the number 15.
Add the numbers 1 to 5. 1 + 2 + 3 + 4 + 5 = 15.

There is one other two-digit number with this property. Find it.

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Friday Puzzle (17/02/2017)

A baker needs to bake three cakes, but he can only fit two cakes in the oven at a time. The cakes need to be baked for two minutes
on each side.
What is the minimum time the baker needs to bake all three cakes?

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Friday Puzzle (10/02/2017)

Here is the front panel of a safe.

To get into the safe every button has to be pressed ending with
the F button.

The number of moves and the direction are given on every button.
3L means 3 left, 2U means 2 up.

Which button is the first button you must press?
(Use the grid reference).

safegrid

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