Prachi's Blog

Page 3 of 37 with more practical notes and routines for commerce students.

Matching brass and teal hills rise from an open book, with a smaller crest and trough suggesting signed-area cancellation

Definite Integral Properties: Symmetry and Changing Limits

Learn when to use even-odd symmetry, interval reflection and changed limits in definite integrals, with solved examples, common traps and practice answers.

12th

A brass ribbon forms a hill and a bowl above a notebook, with glowing pearls at its turning points

Maxima and Minima: First vs Second Derivative Test

Choose the right derivative test for maxima and minima, handle zero second derivatives, and solve endpoint and profit problems with worked examples.

12th
Study Advice

Ownership certificates transform into machinery on a brass bridge above still turquoise water.

Non-Cash Asset Purchases: Shares, Debentures and Cash Flow

Learn how assets bought with shares or debentures affect cash flow, with journal entries, part-cash examples, working notes and disclosure formats.

12th
Accounts

Living roots woven into a basket supporting a village, varied fields, a dairy shelter and a fish pond

Agricultural Diversification and Organic Farming Explained

Understand how agricultural diversification and organic farming support rural development, with examples, income calculations, limitations and practice answers.

12th
Economics

Copper and teal trees whose underground roots meet around one glowing pearl

Quadratic Equations With a Common Root: Elimination Made Easy

Learn what to eliminate first in common-root quadratic equations, with worked examples, parameter questions, special cases, and practice answers.

11th
Study Advice

Two stone bridges over still water, one with a glowing central keystone and the other with paired glowing centre stones

Middle Terms in Binomial Expansion: Odd vs Even Powers

Find one or two middle terms without expanding the whole binomial, with clear formulas, worked examples, sign checks, and practice answers.

11th
Study Advice

A brass sorting station guides unusual objects into an open ledger while matching parcels follow regular channels

Journal Proper: Transactions, Entries and Solved Examples

Learn which transactions belong in journal proper with a clear decision guide, worked entries, a solved mixed exercise and practice questions with answers.

11th
Accounts

A brass merchant ship on a ledger harbour carries separate amber sales cargo and matching turquoise tax compartments

Sales Day Book With GST and Trade Discount: Solved Format

Prepare a Sales Day Book invoice by invoice with trade discounts, CGST, SGST, IGST, checked totals, ledger postings and practice questions.

11th
Accounts

Golden water flows through four successive aqueduct bowls towards a harbour, lending vessels, orchard roots and a shared garden

Section 48: Payment Order on Dissolution of a Firm

Understand Section 48 with the order of paying creditors, partner loans and capital, a fully solved dissolution example, journal entries and practice answers.

12th
Accounts

A pottery workshop rests on hidden brass clockwork while coins approach its door and smoke reaches a neighbouring garden

Explicit, Implicit, Opportunity, Private and Social Costs

Compare six cost concepts with a clear classification table, accounting and economic profit numericals, social cost examples, and practice questions with answers.

11th
12th
Economics

A brass crane repairs a golden foundation block beneath a thriving glass greenhouse resting on a closed ledger

Profit and Loss Adjustment Account: Errors After Final Accounts

Learn to rectify errors after final accounts with clear journal entries, a solved Profit and Loss Adjustment Account, suspense checks, and practice answers.

11th
Accounts

A golden navigator on a circular observatory traces horizontal and vertical light across a midnight sea

Trigonometric Signs by Quadrant: The Unit-Circle Method

Understand the signs of all six trigonometric functions using coordinates, with worked examples, negative angles, axis values, and practice answers.

11th
Study Advice

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Prachi is a gold-medalist commerce teacher with experience at Deloitte and KPMG. She focuses on fundamentals to build a strong foundation.

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