Stock Photo - 17 July 2022, North Rhine-Westphalia, Paderborn: Aaryan Shukla from India, who is only twelve years old, is the winner of the 9th World Mental Arithmetic Championship. More than 30 participants from Germany, Cuba and Japan, among others, took part in the world championship at the Heinz Nixdorf MuseumsForum. Photo: Friso Gentsch/dpa. - Paderborn/North Rhine-Westphalia/Germany

Stock Photo: 17 July 2022, North Rhine-Westphalia, Paderborn: Aaryan Shukla from India, who is only twelve years old, is the winner of the 9th World Mental Arithmetic.

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