What will be the ratio of the simple interest on ₹1,000 for 2 years at 5% per annum to the simple interest on the same sum for the same period at 10% per annum ?

2 : 1 3 : 1 1 : 2 1 : 3

1 : 2

We know , Simple Interest = \(\frac{Principal ×Rate × Time }{100}\) Simple interest earned at 5%  :  Simple interest earned at 10%   \(\frac{1000 ×5 × 2}{100}\) :  \(\frac{1000 ×10 × 2}{100}\) 5  :  10 1  :  2