railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Interest Simple and Compound Both
A sum of money at 8% Simple Interest was placed in a deposit for 7 years. The matured the amount was then invested in a scheme offering 10% Compound Interest compounded annually,thereby procuring an interest of Rs.1638 in 2 years. What was the original sum?
1
Rs. 5000
2
Rs. 8000
3
Rs. 6200
4
Rs. 7500