IPMAT Rohtak 2020 (QA) PYQs

The simple interest on a certain sum of money invested at 7.5% per annum for 4 years is ₹243. What was the sum (in ₹) invested?

The simple interest and compound interest on a certain sum for $2$ years is INR $1250$ and INR $1475$, respectively. The rate of interest per annum (compounded annually) in percentage is:

Person A borrows Rs. 4000 from another person B for a duration of 4 years. He borrows a portion of it at 3% simple interest per annum, while the rest at 4% simple interest per annum. If B gets Rs. 520 as total interest, then the amount A borrowed at 3% per annum in Rs. is: