Prachi's Blog

Page 4 of 37 with more practical notes and routines for commerce students.

Golden water nourishes an orchard reservoir while two brass gates release a portion into vessels outside

Goodwill Premium Retained vs Withdrawn: Admission Entries

Learn goodwill premium entries with one solved admission example, full and partial withdrawals, fixed capitals, bank checks, and practice questions.

12th
Accounts

Golden ripples spread through a miniature town, connecting a workshop, bakery, market and homes

Investment Multiplier Numericals: MPC, MPS and Income Changes

Solve investment multiplier questions using MPC and MPS, with worked examples for income, investment, reverse calculations, and common numerical mistakes.

12th
Economics

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ISC Class 11 Mathematics Unit Weightage and Study Plan

Understand the 2028 Class 11 Mathematics marks distribution and build a realistic practice plan across all five units, with diagnostics and revision schedules.

11th
Study Advice

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Appreciation, Depreciation, Devaluation and Revaluation Explained

Understand currency movements with rupee-dollar examples, exchange-rate calculations, import and export effects, and a clear guide to the balance of payments.

12th
Economics

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Double, Triple, and Half-Angle Formulae: Which One to Use?

Choose the right double, triple, or half-angle formula with worked examples, quadrant checks, exact values, identity proofs, and practice answers.

11th
Study Advice

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Nature of Roots vs Sign of a Quadratic: Choose the Right Test

Separate real roots, positive roots, and positive quadratic values with discriminant tests, sign rules, solved parameter questions, and practice answers.

11th
Study Advice

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Bayes' Theorem: Build the Denominator Before You Divide

Learn Bayes' theorem through worked examples, probability tables, unequal bag selection, and a clear method for finding the total-probability denominator.

12th
Study Advice

A miniature stationery shop on an open ledger, surrounded by a brass channel carrying amber beads into balanced glass vessels

Class 11 Sole Trader Project: Journal to Final Accounts

Build a complete sole trader accountancy project with 20 transactions, journal entries, ledger postings, trial balance, adjustments and balanced final accounts.

11th
Accounts

Two brass rings hold amber spheres tightly clustered and widely spread around glowing pearls, illustrating different amounts of dispersion

Standard Deviation for Grouped Data: Three Methods Explained

Choose the direct, shortcut or step-deviation method for grouped data, with one fully solved example, common mistakes and practice answers.

11th
Economics

An open ledger supported by four translucent foundations, with brass threads connecting the underlying workings to the finished account

Accountancy Working Notes: What to Show and Where

Organise accountancy working notes with solved partnership, share forfeiture, ratio and cash flow examples, clear references, and checks that catch errors.

12th
Accounts

Rows of glass beads pass through a brass prism into a glowing path across a miniature landscape

Economics Data-Response Questions: From Table to Answer

Learn to read Economics tables, calculate percentage changes, distinguish levels from rates, and write clear inferences with solved examples and practice.

12th
Economics

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Shortest Distance Between Skew Lines: A Reliable Setup

Find the shortest distance between skew lines with a clear vector setup, Cartesian sign checks, solved examples, common perpendiculars and practice answers.

12th

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