defence exam Army Havildar SAC Mock Test Series 2025 Quantitative Aptitude Profit and Loss Discount and MP
A shopkeeper gives two pens free at the purchase of 10 pens. He gives 20% discount too and makes 20% profit. What is the ratio between the cost price and the marked price?
1
4 : 9
2
5 : 9
3
2 : 3
4
4 : 5