Chapter 1

Ratio and Proportion

Ratio scaling and sharing problems among three

medium • 1 min read

Direct and inverse variation relationships basics

medium • 2 min read

Partnership: Investment and profit sharing ratio

medium • 3 min read

Averages of groups: Weighted mean calculation

medium • 4 min read

Mixtures: Ratio of constituents in a solution

medium • 5 min read

Chapter 2

Percentage / Profit and Loss

Percentage change on a base value calculations

medium • 1 min read

Profit and Loss on CP and SP: Basic cases

medium • 2 min read

Discount: Result of successive percentages

medium • 3 min read

Price markup and margin calculation on goods

medium • 4 min read

Profit/Loss when SP of two items is same

medium • 5 min read

Chapter 3

Simple Interest and Average

Simple Interest: Yearly and monthly accumulations

medium • 1 min read

Standard average: Mean of observations and weight

medium • 2 min read

Average speed over different distance intervals

medium • 3 min read

Problems on numbers: Divisibility and units digit

medium • 4 min read

Concepts of principal and accumulation of returns

medium • 5 min read

Chapter 4

Age and Alligations

Comparison of ages of multiple family members

medium • 1 min read

Future and past age ratios calculation for two

medium • 2 min read

Alligation rule for mixing products at costs

medium • 3 min read

Ratio identification from a mixed data set

medium • 4 min read

Solving linear word problems with one variable

medium • 5 min read

Chapter 5

Mixed Quantitative Problems

Fractional parts of a whole: Comparison and sum

medium • 1 min read

Decimals: Conversion and place value in sums

medium • 2 min read

Identifying the relationship between number sets

medium • 3 min read

Logical sequence of numeric events analysis

medium • 4 min read

Mental maths for solving arithmetic word problems

medium • 5 min read