Class 10 Maths - ICSE
Banking (Recurring Deposit Accounts)
The chapter Banking (Recurring Deposit Accounts) in ICSE Class 10 Mathematics introduces students to the practical financial concept of saving a fixed amount of money every month over a specified period. Students learn how compound interest applies to these periodic deposits, helping them calculate the total interest earned and the maturity value of the account. This topic is extremely crucial for the ICSE board exams as it consistently features a compulsory 3 to 4-mark word problem in Section B of the paper, making it an easy and high-scoring area with guaranteed questions every year.
Start Learning FreeKey Concepts
Monthly Deposit (P)
The fixed sum of money deposited by the account holder into the Recurring Deposit account on a fixed date every month.
Number of Months (n)
The total duration for which the account is held, expressed strictly in months for all interest calculations.
Rate of Interest (r%)
The annual percentage rate of interest offered by the bank on the deposited amount.
Equivalent Principal for 1 Month
The total equivalent principal calculated using the arithmetic progression sum formula, used as the base to calculate simple interest for one month.
Maturity Value (MV)
The total amount received by the account holder at the end of the tenure, which is the sum of all monthly deposits made and the total interest earned.
Important Formulas
Board Exam Info
In the ICSE Class 10 Mathematics examination, this chapter typically carries about 3 to 4 marks. It always appears as a direct, structured word problem in Section B where students are required to find either the maturity value, the rate of interest, the monthly installment, or the total time period given the interest.
Frequently Asked Questions
Why is the time 'n' divided by 12 in the interest formula?
Because the interest rate given is always per annum (yearly), so we convert the number of months into years by dividing by 12.
What should I do if the time period is given in years?
You must first convert the years into months by multiplying by 12 before applying any formula in the Recurring Deposit chapter.
Is simple interest used to calculate the interest on a Recurring Deposit?
Yes, although it is a monthly recurring account, the formula treats the accumulated principal as a single principal invested for the equivalent of 1 month at simple interest.
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