Rupees 1200 lent at 5 percent simple interest for three years. Find the amount after three years

Step 1 Simple interest equals Principal times Rate times Time. Step 2 Compute 1200 times 0.05 times 3 equals 180. Step 3 Amount equals Principal plus Interest equals 1380. Step 4 Select option B. Simple interest uses a linear formula so growth is constant across time periods.