Question

The difference between the compound interest and simple interest on a certain sum of money at 5% per
annum for 2 years is 45. Then the original sum is?
a) Rs.15000/-
b) Rs.16000/-
c) Rs.18000/-
d) Rs.20000/-​

Answer 1

Answer:

Option c is correct

Step-by-step explanation:

Short Method

Formula

If 2 years given,

Difference=Principal ×R^2/10000

45=P×25/10000

P=45×400

P=18000₹

so Principal will be 18000₹