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Rate of Interest Video Lecture | Mathematics for Class 4: NCERT

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FAQs on Rate of Interest Video Lecture - Mathematics for Class 4: NCERT

1. What is the concept of interest?
Ans. Interest is the additional amount of money that is charged or earned when borrowing or lending money. It is calculated as a percentage of the principal amount.
2. How is the rate of interest determined?
Ans. The rate of interest is determined by various factors such as the current economic conditions, inflation rate, demand for loans, and the creditworthiness of the borrower. Financial institutions and central banks also play a role in setting interest rates.
3. What are the common types of interest rates?
Ans. The common types of interest rates include fixed interest rates, variable interest rates, compound interest rates, simple interest rates, and prime interest rates. Each type has its own characteristics and applicability.
4. How does compounding affect the rate of interest?
Ans. Compounding refers to the process of earning interest on both the initial principal and the previously earned interest. It can significantly increase the effective rate of interest over time, resulting in higher returns or higher borrowing costs.
5. How can one calculate the interest earned or paid?
Ans. The interest earned or paid can be calculated using the formula: Interest = (Principal Amount x Rate of Interest x Time) / 100. This formula allows individuals to determine the amount of interest they will earn or pay based on the principal amount, the rate of interest, and the time period.
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