CONCEPT 1.0 – Combining the two Ratios

CONCEPT 1.1 – Application based example

CONCEPT 2.1 – Application Based Hard Clock example (4 Ratios Combination)

CONCEPT 3.0 – Proportion Concept and Example

CONCEPT 3.1 – Example of Official Proportion based Question

CONCEPT 3.3 – Example of Proportion based Question

CONCEPT 4.0 – Simple Mixture and Alligation method Introduction