Demo Exam
| 21) | 50 copies of a book can be purchased for a sum payable 3 months hence while 51 copies can be had for same sum for cash payment. What is the rate of interest per year? |
| 21) | 50 copies of a book can be purchased for a sum payable 3 months hence while 51 copies can be had for same sum for cash payment. What is the rate of interest per year? |