what is the meaning of ratio analysis in finance why we use ratio analysis and how it is use to the business......please explain me with the real time examples ?????

Dear Student, the solution of your this query is already available in the NCERT solutions (short and long answer). To view, follow the link provided below:
https://www.meritnation.com/cbse/class12-commerce/ncert-solutions/accountancy/company-accounts-and-analysis-of-financial-statements/1_15_17_436