Ratio and Proportion

This topic covers concepts, such as Understanding Proportion as Equality of Ratios, Invertendo, Componendo, Ratio, Proportion, Percentage Change Method for Comparing Ratios, Ratio of Two Surds, Mean Proportional & Compounded Ratio etc.

This topic covers concepts, such as Dividendo, Componendo and Dividendo Rule, Solving Word Problems on Proportions, Direct Proportion, Inverse Proportion, Proportion and Variation & Logical Implication of Proportion etc.

This topic covers concepts & such as Age Calculations etc.

This topic covers concepts, such as Time, Speed and Distance, Relative Speed, Speed and Distance, Speed of an Object, Time, Alligation in Finding Average Speed when Distances are Different & Distance Covered in a Journey etc.

This topic covers concepts, such as Time and Distance, Time Taken in Train Problems, Relative Speed of Two Trains Moving in Opposite Direction, Relative Speed of Two Trains Moving in Same Direction & Problems on Trains etc.

This topic covers concepts, such as River Crossing in Boats and Streams, Downstream Journey of Boat, Speed of Boat Downstream, Speed of Boat Upstream, Speed of Boat, Rate of Stream, Boats and Streams & Speed of Boat in Still Water etc.

This topic covers concepts, such as Work Equivalence Method, Concept of Volume of Work in Time and Work, Time and Work, The Concept of Efficiency, Methods to Solve Time and Work, Concept of Negative Work & Unitary Method of Solving Time and Work etc.

This topic covers concepts, such as Part of Tank Filled with only One Pipe Working, Leakage in Tanks, Pipes and Cisterns, Formulas on Pipes and Cisterns, Emptying a Tank & Pipes and Cisterns etc.

This topic covers concepts, such as Partnerships in Time and Work, Working Partners, Partnerships in Business, Types of Partnerships, Definition of Partnership, Simple Partnerships, Compound Partnerships & Sleeping Partners etc.