Some individuals have an amazing ability to remember things. for example, russian journalistshereshevskii could remember up to digits or words. a.100b.70c.50d.30

He could remember up to 70(B) digits or words.

Explanation:

Solomon Shereshevsky (1886 – 1958) was a Russian journalist and a subject of multiple neuropsychology studies.

Shereshevsky never took notes during his career, yet the information in his articles was always genuine. His editor thus sent him to a local university for testing.

Alexander Luria, a famous neuropsychologist who studied Solomon's case for thirty years, claimed there was no limit to his memory. When presented with 70-digit matrices, complex formulae, or foreign language texts, Shereshevsky could memorize it all within minutes.

answer; i do believe its (b) 12.5 years of age;