A. Rs. 112.50
B. Rs. 125
C. Rs. 150
D. Rs. 167.50
Interest to be paid by the person = 5000 x 4 x 2 /100 = Rs. 400/-
Interest he receives = 5000 x 6.25 x 2 /100 = Rs. 625/-
His total gain for 2 years = 625 - 400 = 225
So, his gain per year = 225/2 = Rs. 112.50/-