Marked price, discount and profit: MP × (1 − d) = CP × (1 + p)

CAT has tested this idea 6 times across 5 papers, from 2017 to 2025. 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 2017 Slot 1 · QA Q6	15% discount gives 2% profit; what gives 20%	D
CAT 2024 Slot 3 · QA Q12	marked for 20% profit, 10% discount saves Rs 15	B
CAT 2025 Slot 2 · QA Q15	doubling discount changes profit; discount equal to profit %	B
CAT 2025 Slot 1 · QA Q16	22% discount and 13 chairs for price of 12	175
CAT 2020 Slot 2 · QA Q11	two discount levels across 12 toys; profit with no discount	B
CAT 2017 Slot 1 · QA Q12	10 of 60 toys destroyed; new discount for same profit	D

Part of Percentages & Profit-Loss (46 questions since 2017).