<prompt> All of the following are example of Ratios exceptRelative riskIncidenceSex ratioMaternal moality ratio  <response>: Tools of measurement in epidemics: Rate x 1000 10000 100000 ; a is pa of b Ratio ab ; a is not a pa of b Propoion x 100 ; a is pa of b - Eg: Rate Ratio Propoion IMR Incidence Crude death rate MMR Sex ratio Relative risk Prevalence Case fatality rate Survival rate Propoional moality rate 