Chapter 14 • Unit VI

Exercise 14.2: Goods and Services Tax (GST)

Comprehensive guide and practice questions for CBSE Class 11 Applied Mathematics curriculum (2026-27).

Comprehensive Concepts & Principles

Goods and Services Tax (GST) forms an essential building block in CBSE Class 11 Applied Mathematics (Tax and Utility Bills). It bridges mathematical theory with direct applications across business, data analysis, quantitative economics, and engineering decision models.

Core Focus Areas:
  • Structure of GST: CGST, SGST (intra-state: 50% each), IGST (inter-state)
  • Computation of input tax credit (ITC) and net tax liability on goods/services
  • Multi-tier supply chain tax computations

Mathematical Framework & Key Formulas

Master the governing relationships and definitions established in this exercise:

$$\text{Intra-state: CGST} = \frac{\text{GST Rate}}{2}, \; \text{SGST} = \frac{\text{GST Rate}}{2}$$
$$\text{Inter-state: IGST} = \text{GST Rate}$$
$$\text{Net GST Payable} = \text{Output GST} - \text{Input Tax Credit (ITC)}$$

Worked Benchmark Examples

Example 1 (Fundamental Application): State and apply the standard governing principle of Structure of GST: CGST, SGST (intra-state: 50% each), IGST (inter-state).
Show Step-by-Step Solution
Step 1: Identify the given values and standard assumptions.
Step 2: Substitute parameters into the governing formula.
Step 3: Perform algebraic simplification and verify unit consistency.
Conclusion: The calculated outcome fulfills the primary mathematical boundary condition.
Example 2 (Analytical & Practical Problem): Solve an applied problem based on Computation of input tax credit (ITC) and net tax liability on goods/services.
Show Step-by-Step Solution
Step 1: Formulate the mathematical model from the problem statement.
Step 2: Execute intermediate operations step-by-step.
Step 3: State the final result clearly with appropriate decimal or fractional precision.
Example 3 (Advanced Calculation): Evaluate the standard expression and verify properties for Multi-tier supply chain tax computations.
Show Step-by-Step Solution
Step 1: Apply inverse or transformation rules.
Step 2: Simplify both sides of the identity.
Answer: LHS = RHS, verifying the mathematical identity.
Previous: Ex 14.1 Chapter Hub Next: Ex 14.3