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Mathematics, written down

Worked problems, method notes and exam strategy from the people who teach the classes.

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Illustration for Area of a Sector and Length of an Arc for Class 10

Latest article Areas Related to Circles

Area of a Sector and Length of an Arc for Class 10

Learn how to find the length of an arc and the area of a sector, why both formulas come from a simple proportion, and how to handle major sectors and clock-hand problems, with five solved examples.

Ravindra Reddy K 10 min read

Latest in

General

All 37 articles
Illustration for Best Intermediate Colleges for MPC in Hyderabad

Best Intermediate Colleges for MPC in Hyderabad

Hyderabad MPC junior colleges grouped into personalised, large-network and national-brand models, with a comparison table, a way to match the student to a model and checks before enrolling.

7 min read

Illustration for Online Maths Tutor in Hyderabad

Online Maths Tutor in Hyderabad

Online maths tuition for Hyderabad students from Expresswala Academy: contact details, the concept-first approach, courses by level, digital tools, a sample week and how parents can help.

6 min read

Illustration for Top Schools in Hyderabad as Per the Latest Survey

Top Schools in Hyderabad as Per the Latest Survey

Twelve Hyderabad schools grouped as international, CBSE and ICSE day schools and local favourites, with a comparison table, a guide to the city's boards and advice for relocating families.

7 min read

Latest in

Mathematics

All 46 articles
Illustration for Lengths of Tangents from an External Point, Class 10

Lengths of Tangents from an External Point, Class 10

Prove that the two tangents from an external point are equal using RHS congruence, then use the result for angles between tangents, concentric circles, circumscribed quadrilaterals and triangles with an incircle.

11 min read Equations

Illustration for Tangent to a Circle and the Radius Theorem, Class 10

Tangent to a Circle and the Radius Theorem, Class 10

Learn what secants and tangents are, prove that a tangent is perpendicular to the radius at the point of contact, count tangents from a point, and find tangent lengths with Pythagoras through worked examples.

12 min read Equations

Latest in

Operations Managment

All 24 articles
Illustration for Make or Buy Decision in Operations Management

Make or Buy Decision in Operations Management

Make-or-buy decisions explained: cost and non-cost factors, relevant and opportunity costs, a worked break-even example, strategic and capacity considerations, and advantages and disadvantages of making and buying.

11 min read Equations

Illustration for Sequencing in Operations Management

Sequencing in Operations Management

Sequencing in operations management: FCFS, SPT, EDD and critical ratio rules compared on a worked five-job example, plus Johnson's rule for two machines with a Gantt chart, and how sequencing differs from scheduling.

12 min read Equations

Illustration for Maintenance Management in Operations Management

Maintenance Management in Operations Management

Maintenance management explained: breakdown, preventive, corrective, routine, predictive maintenance and TPM, a worked MTBF, MTTR and availability example, the bathtub curve and group replacement.

11 min read Equations

Latest in

Managerial Economics

All 54 articles
Illustration for Monetary Policy and Fiscal Policy Compared

Monetary Policy and Fiscal Policy Compared

Monetary policy is run by the central bank through money supply and interest rates; fiscal policy by the government through taxes and spending. The key differences side by side.

3 min read

Illustration for Monetary Policy

Monetary Policy

Monetary policy is how the Reserve Bank of India manages interest rates and money supply to keep prices stable while supporting growth. Its objectives, the MPC, the inflation target and its tools.

5 min read

Illustration for Fiscal Policy

Fiscal Policy

Fiscal policy is how the Government of India uses taxes and spending to steer the economy. Its objectives, tools, the FRBM Act, recent trends, and contractionary versus expansionary policy.

7 min read

The archive

All articles

Illustration for Area of a Sector and Length of an Arc for Class 10 Areas Related to Circles

Area of a Sector and Length of an Arc for Class 10

Learn how to find the length of an arc and the area of a sector, why both formulas come from a simple proportion, and how to handle major sectors and clock-hand problems, with five solved examples.

10 min read Equations

Illustration for Class 10 Circles (Tangents) Practice Questions with Solutions Circles

Class 10 Circles (Tangents) Practice Questions with Solutions

Sixteen original Class 10 Circles questions with full step-by-step solutions: tangent lengths, angles between tangents, concentric circles, circumscribed quadrilaterals, incircles and exam-style proofs.

12 min read Equations

Illustration for Monetary Policy and Fiscal Policy Compared Managerial Economics

Monetary Policy and Fiscal Policy Compared

Monetary policy is run by the central bank through money supply and interest rates; fiscal policy by the government through taxes and spending. The key differences side by side.

3 min read

Illustration for Monetary Policy Managerial Economics

Monetary Policy

Monetary policy is how the Reserve Bank of India manages interest rates and money supply to keep prices stable while supporting growth. Its objectives, the MPC, the inflation target and its tools.

5 min read

Illustration for Lengths of Tangents from an External Point, Class 10 Circles

Lengths of Tangents from an External Point, Class 10

Prove that the two tangents from an external point are equal using RHS congruence, then use the result for angles between tangents, concentric circles, circumscribed quadrilaterals and triangles with an incircle.

11 min read Equations

Illustration for Tangent to a Circle and the Radius Theorem, Class 10 Circles

Tangent to a Circle and the Radius Theorem, Class 10

Learn what secants and tangents are, prove that a tangent is perpendicular to the radius at the point of contact, count tangents from a point, and find tangent lengths with Pythagoras through worked examples.

12 min read Equations

Illustration for Fiscal Policy Managerial Economics

Fiscal Policy

Fiscal policy is how the Government of India uses taxes and spending to steer the economy. Its objectives, tools, the FRBM Act, recent trends, and contractionary versus expansionary policy.

7 min read

Illustration for A Macro-Economic Overview Managerial Economics

A Macro-Economic Overview

Macroeconomic policy is how a government steers national income, prices, jobs and growth. Its two main tools are fiscal policy and monetary policy.

2 min read

Illustration for Introduction to Trigonometry Class 10 Practice Questions Introduction to Trigonometry

Introduction to Trigonometry Class 10 Practice Questions

Seventeen original Class 10 trigonometry questions with full solutions: ratios from sides, one ratio to all, standard-angle values, finding angles, identity proofs and true-or-false reasoning.

10 min read Equations

Illustration for Trigonometric Identities and How to Prove Them, Class 10 Introduction to Trigonometry

Trigonometric Identities and How to Prove Them, Class 10

Prove the three Class 10 trigonometric identities from Pythagoras theorem, express every ratio in terms of one, and learn a step-by-step strategy for proving identities through six worked proofs.

9 min read Equations

Illustration for NITI Aayog Managerial Economics

NITI Aayog

NITI Aayog replaced the Planning Commission on 1 January 2015. What it is, how it differs from the old Commission, and why the Commission was wound up.

3 min read

Showing 12 of 161 articles

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