There are several synonyms for the term "mental ratio," including cognitive ratio, psychological ratio, and intellectual ratio. Mental ratio is used to describe the ability of an individual to make rational decisions and think logically. It refers to the analysis of facts and figures to reach a conclusion. Cognitive ratio, on the other hand, is a measure of how easily an individual learns new concepts. Psychological ratio describes the ability of an individual to handle stress and emotions. Lastly, intellectual ratio refers to an individual's overall cognitive abilities, including memory, problem-solving, and critical thinking skills. All of these terms encapsulate the essence of mental ratio and its importance in shaping an individual's success in life.