railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Interest Simple Interest
The simple interest on a certain sum for 7 months at 4 percent per annum is Rs. 124 less than the simple interest on the same sum for 15 months at 6 percent per annum. The sum is:
1
Rs. 2,560
2
Rs. 3,300
3
Rs. 2,400
4
Rs. 2680