IBPS RRB PO Prelims 3 Aug 2024 Shift 2 Paper

Ravi goes to a stationery store with a certain amount of money. He can buy 40 pens or 20 notebooks with the money he has. However, he decides to save 25% of the amount for other expenses and buys 4 notebooks and some pens. Find the percentage of pens he can now purchase out of the initial number of pens he could have bought.