RS Aggarwal Quantitative Aptitude PDF Free download: PERCENTAGE
PERCENTAGE IMPORTANT FACTS AND FORMULAE Concept of Percentage : By a certain percent ,we mean that many hundredths. Thus x percent means x hundredths, written as x%. To express x% as a fraction : We have , x% = x/100. Thus, 20% =20/100 =1/5; 48% =48/100 =12/25, etc. To express a/b as a percent : […]