Chapter 1 · Class 10 ICSE · Formula Sheet

Commercial Mathematics (Banking & GST) Formulas — Class 10 ICSE

Solve problems on banking (recurring deposits, fixed deposits), GST, and shares.

Key Formulas

Compound Interest

A = P\left(1 + \dfrac{r}{100}\right)^n

Recurring Deposit Maturity

M = Pn + P \cdot \dfrac{n(n+1)}{2} \cdot \dfrac{r}{1200}

P = monthly installment, n = months

GST Calculation

\text{GST Amount} = \dfrac{\text{GST Rate}}{100} \times \text{Selling Price}

Input-Output GST

\text{GST Payable} = \text{Output GST} - \text{Input GST}

Worked Examples

1Using: Application

Apply the key formula from this topic to a sample problem.

Step 1: Identify the formula.

Step 2: Substitute the values.

Step 3: Simplify to get the answer.

Answer: See solution above

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More Class 10 ICSE Formulas

Frequently Asked Questions

How many formulas are in Class 10 ICSE Commercial Mathematics (Banking & GST)?+
There are 4 formulas in the Commercial Mathematics (Banking & GST) chapter for Class 10 ICSE. Each formula is essential for solving problems in this topic.
How to remember Commercial Mathematics (Banking & GST) formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Commercial Mathematics (Banking & GST) formulas enough for exams?+
Yes, these formulas cover the complete ICSE Class 10 syllabus for Commercial Mathematics (Banking & GST). Practice applying them to different types of questions for full exam readiness.

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SparkEd Maths provides free formula sheets for Class 1-10 across 7 education boards. All formulas are aligned to the 2025-26 syllabus.