Chapter 1

Calculation and Approximation

Applying BODMAS and fraction-to-percent techniques

medium • 1 min read

Simplification of multi-step numeric equations

medium • 2 min read

Approximation: Estimating decimals for complex sums

medium • 3 min read

Square and Cube root techniques for speed calculation

medium • 4 min read

Mental calculation of power series and indices

medium • 5 min read

Chapter 2

Number Series and Sequences

Identifying the missing number in a numeric sequence

medium • 1 min read

Wrong number identification in a given series

medium • 2 min read

Pattern analysis for arithmetic/geometric growth

medium • 3 min read

Difference of differences and multi-layered series

medium • 4 min read

Predicting the end-term of complex numeric chains

medium • 5 min read

Chapter 3

Quadratic and Equations

Finding roots (X and Y) of quadratic equations

medium • 1 min read

Comparison of X and Y roots: Finding relationships

medium • 2 min read

Solving linear equations with two/three variables

medium • 3 min read

Inequalities comparison using root relation rules

medium • 4 min read

Identifying the consistent solution for equations

medium • 5 min read

Chapter 4

Ratio and Average

Ratio, Proportion and variation: Basic to moderate

medium • 1 min read

Averages of numbers, age, weight and group means

medium • 2 min read

Partnership: Investment and profit sharing cases

medium • 3 min read

Percentage: Basic growth and successive changes

medium • 4 min read

Concepts of weighted mean in arithmetic tasks

medium • 5 min read

Chapter 5

Time, Work and Distance

Time and Work basics: Individual and group tasks

medium • 1 min read

Pipes and Cisterns: Tank filling and empty logic

medium • 2 min read

Time, Speed and Distance: Basic relative speed

medium • 3 min read

Boats and Streams: Upstream and downstream speed

medium • 4 min read

Average speed calculation for simple intervals

medium • 5 min read