GENERAL KNOWLEDGE

Detailed explanation-1: -At the 2012 Summer Olympics in London, Phelps won four gold and two silver medals, and at the 2016 Summer Olympics in Rio de Janeiro, he won five gold medals and one silver. This made him the most successful athlete of the Games for the fourth Olympics in a row.

Detailed explanation-2: -In her international debut at the 2012 London Olympic Games as a 15-year-old, Ledecky unexpectedly won the gold medal in the women’s 800-metre freestyle.

Detailed explanation-3: -Of his 28 medals, a whopping 23 were gold. No one else has ever won more than nine. Phelps broke the record when he won his second event, the 100m butterfly, at the 2008 Beijing Olympics. Phelps also owns the record for most gold medals won in a single Olympics: eight in Beijing.