RRB Non Technical Model Papers 9 with solutions

Concept:To find what percent one amount is of another, first convert both amounts to the same unit.Then divide the part by the whole and multiply by $100$.Explanation:One rupee contains $100$ paise.So ₹$100$ equals $100\times100=10000$ paise.The part given is $25$ paise.The whole amount is $10000$ paise.Required percentage $=\frac{25}{10000}\times100$.Simplify: $=\frac{25}{100}$.Therefore, $=0.25\%$.This value is less than $1\%$, which makes sense because $25$ paise is a very small fraction of ₹$100$.Comparing $25$ directly with $100$ would wrongly give $25\%$, so unit conversion is essential.Since $25$ is much smaller than $10000$, the answer must be a small decimal percentage.The calculation gives exactly $0.25$ percent.Answer:$0.25\%$