A sum of ₹5000 amounts to ₹5600 in 2 years at simple interest. What is the rate of interest per annum?

ब्याज = 5600 - 5000 = ₹600। दर = (ब्याज * 100) / (मूलधन * समय) = (600 * 100) / (5000 * 2) = 6%।