Fastest time to complete 20 calculations on Dr Kawashima’s Brain Training
- Who
- hirokiti55nanakusado
- What
- 7 second(s)
- Where
- Japan
- When
- 01 January 0001
The fastest time to complete 20 calculations on Dr. Kawashima’s Brain training, was achieved by YouTube poster hirokiti55nanakusado (Japan), who submitted a time of just 7 seconds to complete the “20 calculations” component. This effectively means solving three (simple) maths problems every second.