Prachi's Blog

Page 5 of 37 with more practical notes and routines for commerce students.

A miniature market suspended at the crossing of amber and teal glass ribbons

When Demand and Supply Both Shift: All Four Cases

Understand simultaneous demand and supply shifts with all four cases, solved price and quantity examples, graph guidance and practice questions.

11th
12th
Economics

An ivory bridge across a teal river and a glowing tree among clustered seed pods, suggesting the halfway point and greatest concentration

Median and Mode for Grouped Data: Find the Right Class

Find the median and modal class, use both formulas, and solve grouped-data questions with cumulative frequencies, class boundaries and checked examples.

11th
Economics

A brass trading waterwheel above a shallow glass reservoir, balancing busy trade with a thin cushion of water

Working Capital Turnover Ratio: Missing Figures and Negatives

Calculate working capital turnover, solve missing sales and current assets, and interpret high, zero and negative working capital with worked examples.

12th
Accounts

A golden safety net catches crystal fruit beneath a floating orchard while two owners hold brass bowls.

Investment Fluctuation Reserve: Gain and Loss Entries

Master investment fluctuation reserve with five cases, journal entries, a balanced admission example, and practice questions with explained answers.

12th
Accounts

A circular brass garden holding amber coins and paper receipt flowers, with a loop returning coins to the fund

Petty Cash Book: Imprest, Reimbursement and Solved Format

Prepare an analytical petty cash book, calculate reimbursement, post expense totals and handle changes in imprest with solved examples and practice.

11th
Accounts

A mechanical glass flower connected by nested petals, interlocking stems, twin cords and an unfolding paper spiral

Chain Rule, Implicit, Parametric or Logarithmic Differentiation?

Choose the right differentiation method using a clear decision table, worked examples, domain checks and practice questions with answers.

12th
Study Advice

A glowing glass reservoir above a miniature town, with circulating water and balanced inflows and outflows

Equilibrium Income Numericals: Solve C = a + bY

Find equilibrium income from consumption and investment, check saving equals investment, and solve missing-value questions with worked examples.

12th
Economics

Amber glass steps rise by smaller amounts toward a level summit beneath tiny pitchers of light

Total and Marginal Utility: Schedules and Saturation Point

Learn to calculate total and marginal utility, fill missing values, draw the curves and identify saturation with solved examples and practice questions.

11th
12th
Economics

Teal ribbons passing through brass gates that separate strands, frame matching spiral shells and straighten a weave

Differential Equations: Separable, Homogeneous or Linear?

Choose the right differential equation method with a quick identification checklist, six solved examples, common traps and practice answers.

12th
Study Advice

One glass river separating into straight, stepped and circular channels, representing simpler parts of a whole

Partial Fractions for Integration: Factors and Solved Examples

Learn partial fractions with distinct, repeated and irreducible factors through worked integrals, setup rules, common mistakes and practice answers.

12th

Threads pass through tree rings across time and emerge as an open book and green leaves

Class 12 Economics Union Budget Project: 10-Year Data Guide

Build a Union Budget project with ten years of official education and health allocations, worked calculations, chart ideas, findings and viva answers.

12th
Economics

Five ceramic gardens use gates and pathways to represent different patterns of market choice.

Market Structures: Identify Competition, Monopoly and Monopsony

Learn to identify five market structures from case-study clues, with a comparison table, solved examples, revenue calculations and practice questions.

12th
Economics

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