The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a ?  Choose the correct choice
A) Rs. 20.25  B) Rs. 22.50  C) Rs. 25  D) Rs. 42.75  E) None
Solution   S.I=Rs.202.50, R=4.5%, T= 1 Year   principal = Rs (100*202.50 / 4.5*1)= Rs.4500   Now P =Rs.4500, R =5%, T= 1 year   S.I=(4500*5*1/100)= Rs.225   Different in interest = Rs. ( 225- 202.50)= Rs.22.50   Answer Rs. 22.50
<result>B</result>
The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a ?