Well done Vivienne, Ecole Francaise de Berne, Switzerland; Andrei, School: No. 205, Bucharest, Romania; Natasha, from Lagos, Nigeria; Ali, Riccarton High School, Christchurch, New Zealand and Sim, Raffles Girls' Primary School, Singapore. This is Sim's solution.

Using a step-by-step analysis, we split up each number into digits, e.g. 2 (take the symbol for 2)

\to

25 (take the symbol for 5)

\to

58 (take the symbol for 8)

\to

83 ...

\to

etc. In the end, we arrive at the following table. The symbols are shown below the actual representation, each row being a different script: solution.

Ali identified the scripts in the table row by row as Western, Chinese, Hindi, Arabic and Bengali .

[Thank you to the SMILE Centre for permission to use this puzzle. See www.smilemathematics.co.uk for information about their mathematics resources.]