10ticks Friday Puzzle

About us

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

Some grapes weighing 1 kg are 99% water.

They are left in the sun for a while and some water evaporates.

Now only 98% of the new weight is water.

What is the new weight of the grapes?

Show answer

Friday Puzzle (08/12/2023)

Circles and squares

Find the area of the square.

Show answer

Friday Puzzle (01/12/2023)

Place the whole numbers 1 to 8 in the squares so that the totals of each line of three is 15.

Three by three grid with centre square blanked out

Show answer

Friday Puzzle (24/11/2023)

Concentric Circles

The 10 cm line is a tangent to the inner circle of the two concentric circles.

Find the yellow area.

Show answer

Friday Puzzle (17/11/2023)

Martha has some marbles. She lays them out in equally spaced lines to form a square lattice.

She finds she needs 50 more marbles to complete the square lattice.

Mum, by mistake, buys her 150 more marbles.

By luck she is able to use every single marble she now has to complete a square lattice made of equally spaced lines.

How many marbles are in her final square?

Show answer

Friday Puzzle (10/11/2023)

Find the digits A, B, C so that 5555ABC is a perfect square.

No calculators!

(A, B, C are the hundreds, tens and ones digits of the number).

Show answer

Friday Puzzle (03/11/2023)

4  ⊕  2 = 2682

6  ⊕  3 = 29183

8  ⊕  4 = 212324

What is 12  ⊕  4 equal to?

Show answer

Friday Puzzle (27/10/2023)

Which is bigger 3100 or 475?

Show answer

Friday Puzzle (20/10/2023)

2x + 2y = 640

What is x + y?

Show answer

Friday Puzzle (13/10/2023)

Jim has some biscuits.

He can share them among his x friends in two ways.

7 biscuits each with 2 left over, or 6 biscuits each with 7 left over.

How many biscuits does Jim have?

Show answer
 
 
 
 
 
 
 
 
 



Follow @10ticks

About Us  Friday Puzzle  FAQ  Video Guides  CSR  Link to Us  Terms & Conditions  Privacy 

Facebook  Twitter

All contents ©Fisher Educational Ltd 2023. All rights reserved. 10ticks.co.uk is the trading name and Registered trade mark of Fisher Educational Ltd. Registered in England No. 3668099