Prachi's Blog

Page 2 of 29 with more practical notes and routines for commerce students.

A golden thread passes through five brass lenses across a blue pool and illuminates a miniature market

How to Present Economics Numericals: Steps and Solved Examples

Write clear economics numerical answers with the right formula, substitution, signs, units and interpretation, using seven solved examples and practice questions.

11th
12th
Economics

Three brass surveying instruments examine a missing aqueduct span leading towards a sunlit orchard

Revenue, Fiscal and Primary Deficit: Formulas and Examples

Understand revenue, fiscal and primary deficit with a complete budget numerical, missing-figure questions, surplus cases and clear economic implications.

12th
Economics

Golden water flows from a rising reservoir into a village school, clinic, homes and orchard

Economic Growth vs Economic Development: Indicators and Examples

Compare economic growth and development using real GDP, per capita income, HDI, poverty and jobs, with solved numericals and case-study answers.

11th
Economics

A copper ribbon climbs a porcelain hillside beside a jade path with a broad level terrace

Increasing vs Strictly Increasing Functions: Derivatives and Intervals

Understand increasing and strictly increasing functions with derivative sign charts, zero-slope examples, interval endpoints, parameter questions, and practice.

12th

Three wooden spools weave a golden safety net around a worker's helmet and a growing sapling.

Workmen Compensation Reserve: With and Without a Claim

Learn all four workmen compensation reserve treatments with journal entries, old-ratio calculations, a complete admission example, and practice questions.

12th
Accounts

Three connected glass lenses frame a household basket, bulk goods, and a wheel carrying newly made cups

CPI vs WPI vs IIP: Prices, Production, and Index Numbers

Understand CPI, WPI, and IIP with clear comparisons, solved index-number questions, inflation calculations, and India's revised base years.

11th
Economics

Overlapping amber and teal glass gardens share a flowering tree on one continuous meadow

Class 11 Sets: Intervals, Power Sets, and Venn Diagrams

Master interval brackets, subsets, power sets, and two- and three-set Venn diagrams with solved examples, counting checks, and practice answers.

11th

A paper bridge carries pottery from a kiln to a shop while coins return beneath a pendulum

Trade Payables Turnover Ratio: Formula and Missing Figures

Learn trade payables turnover with solved questions on net credit purchases, average creditors, bills payable, payment days, and missing figures.

12th
Accounts

A garden grows inside intersecting glass boundaries, with a golden seed glowing at one corner

Linear Programming Graphs: Feasible Regions and Corner Points

Learn to shade feasible regions, reject invalid intersections, and find maximum or minimum values with solved graphs, corner-point tables, and practice questions.

12th

Silk threads converge on a loom holding two coral and three cream beads, suggesting many paths to one visible pattern

Repeated Letters in Word Arrangements: Stop Overcounting

Understand permutations with repeated letters through worked examples, fixed positions, vowel blocks, gap counting, and shorter words with practice answers.

11th

A ceramic wave floats above glass layers showing matching hills and an opposing crest and hollow

Symmetric vs Skew-Symmetric Matrices: Tests and Decomposition

Learn to identify symmetric and skew-symmetric matrices, solve missing-entry questions, avoid product traps, and decompose a matrix with worked examples.

12th

An amber pearl travels down a brass track beside a teal glass track displaced from its faint original position

Movement Along a Demand Curve vs Shift: The Cause Test

Tell demand movements from shifts with labelled diagrams, worked schedules, related-goods examples, and a simple cause test for tricky questions.

11th
12th
Economics

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