Question 5
Three boys Alvin, Barry and Charles participated in a 100 m race. When Alvin crossed the 100 m mark, Ben was at 90 m. When Barry crossed the 100 m mark, Ben was at 90 m. How far behind was Charles when Alvin crossed the 100 m mark?
Source wording note: Ben is not among the three boys introduced, and Charles’s speed is never given. Retain the printed names; explain whether the requested distance can be determined. Any repaired-name calculation must be explicitly conditional, not an answer to the literal wording.
Source wording note: Ben is not among the three boys introduced, and Charles’s speed is never given. Retain the printed names; explain whether the requested distance can be determined. Any repaired-name calculation must be explicitly conditional, not an answer to the literal wording.