Well done Vivienne Boulic, age 9, Ecole Francaise de Berne, Switzerland; Andrei Lazanu, age 12, School: No. 205, Bucharest, Romania; Natasha Kholgade, age 14, from Lagos, Nigeria; Ali Abu-Hijleh, age 13, Riccarton High School, Christchurch, New Zealand and Sim Jingwei, age12, Raffles Girls' Primary School, Singapore. This is Sim Jingwei's solution.

Using a step-by-step analysis, we split up each number into digits, e.g. 2 (take the symbol for 2) → 25 (take the symbol for 5) → 58 (take the symbol for 8) → 83 ... → 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.]