IBRS20266437

Maximum Single-Digit Mental Arithmetic Addition and Subtraction Problems (4 Rows) Solved in 1 Hour by an Individual (Minor-Male)

IBRS20266430.

Maximum General Knowledge Questions Answered in Response to Prompts in 3 Minutes by a Pre-Schooler

IBRS20266431.

Maximum Social Science Concepts Demonstrated in 30 Minutes by an Individual (Minor-Male)

IBRS20266432.

Maximum Early Learning Facts Recalled and Recited upon Prompt in 4 Minutes by a Pre-Schooler

IBRS20266433.

Maximum Picture Puzzles Solved in 60 Minutes by an Individual (Male)