Wages split in proportion to the work each person did

CAT has tested this idea 3 times across 3 papers, from 2017 to 2021. 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 2021 Slot 3 · QA Q2 near-repeat	two individual times, three together; third person's pay	3000
CAT 2017 Slot 2 · QA Q13 near-repeat	two individual times, three together; Kamal's share	A
CAT 2021 Slot 2 · QA Q6	one starts alone, two join later; Charu's share	B

Part of Time & Work (34 questions since 2017).