Prachi's Blog

Page 17 of 37 with more practical notes and routines for commerce students.

A glass probability machine with one loop returning marbles and one narrowing path removing them

Probability With and Without Replacement: When the Denominator Changes

Understand when probability denominators stay the same or shrink, with simple rules, tree thinking, and solved examples for exam questions.

12th
Study Advice

A golden matrix bridge standing beside a collapsed matrix gate on a reflective coordinate grid

Singular vs Non-Singular Matrices: What the Determinant Tells You

Learn how determinant zero or non-zero reveals whether a square matrix has an inverse, with quick tests, solved examples, and mistakes to avoid.

12th
Study Advice

A balanced brass scale over hidden red threads connecting account cards below a glass ledger desk

Trial Balance Errors That Still Agree: Six Cases With Examples

Learn the six Trial Balance errors that can stay hidden even when debit and credit totals agree, with simple examples and correction logic.

11th
Study Advice
Accounts

An open ledger sorting dissolution expense receipts from a firm cash box and a partner satchel

Dissolution Expenses Paid by Firm or Partner

Learn how to record dissolution expenses in partnership accounts when the firm pays, a partner pays, or a partner bears them personally.

12th
Accounts

An accountancy study compass arranged across ledger paths, graphs, and balance scales

ISC Class 12 Accountancy Unit Weightage

A clear guide to the ISC Class 12 Accountancy 2028 unit weightage, with a practical study plan for the 80-mark theory paper.

12th
Study Advice
Accounts

A mathematics study map on an open notebook with calculus mountains, algebra grids, vector bridges, probability paths, and an exam compass

ISC Class 12 Mathematics Unit Weightage

A clear guide to the ISC Class 12 Mathematics 2028 unit weightage, with a practical way to divide practice across Calculus, Algebra, Vectors, Probability, and the smaller scoring units.

12th
Study Advice

A brass accounting sorter sending expense slips into two open final accounts ledgers

Direct Expenses vs Indirect Expenses in Final Accounts

Learn where wages, carriage, freight, factory expenses, salaries, rent, and selling expenses go in final accounts with simple rules and examples.

11th
Accounts

A coordinate-grid study desk with a compass, ruler, pins, and different straight-line paths

Straight-Line Equations: Which Form Should You Use?

Learn how to choose point-slope, two-point, intercept, normal, slope-intercept, and general form in straight-line equation questions.

11th
Study Advice

A tree-shaped balance scale weighing city growth against forests, rivers, and a small planet

Sustainable Development and Global Warming: The Resource Trade-Off

Understand sustainable development, global warming, carrying capacity, and the resource trade-off with clear examples for Economics.

11th
Economics

A brass machine on an open ledger showing equal depreciation intervals along a straight line

Straight Line Method of Depreciation: Format, Formula, and Practice Questions

Learn the straight line method of depreciation with formula, ledger format, solved examples, part-year treatment, and practice questions.

11th
Accounts

A bill of exchange crossing a brass bank gate as part of its cash stream is deducted before maturity

Discounting of Bill of Exchange: Journal Entries Made Simple

Learn discounting of bill of exchange with clear journal entries in the books of drawer and drawee, discount calculation, maturity treatment, and solved examples.

11th
Accounts

A glass profit reservoir flowing into partner ledgers while a brass bridge adjusts the guaranteed share

Guarantee of Profit to a Partner: Adjustment Method and Solved Format

Learn guarantee of profit to a partner with deficiency calculation, adjustment method, journal entry, and solved Profit and Loss Appropriation Account format.

12th
Accounts

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