One starts later from the other end: cover the head start, then meet

CAT has tested this idea 3 times across 3 papers, from 2017 to 2020. Solve one, and the others are the same method with different numbers or wording, which is why repeated concepts are the most efficient thing to practise.

Question	What it asks	Answer
CAT 2020 Slot 3 · QA Q21	trains 90 km apart, second leaves 1.5 h later	B
CAT 2017 Slot 2 · QA Q12	bike starts 1 h earlier; car at double speed; meet at 3:40	B
CAT 2018 Slot 1 · QA Q23	second train starts 1 h later at 3/4 speed; meet at 3/5 point	15

Part of Time, Speed & Distance (48 questions since 2017).