The average weight of 45 students is 53 kgs . It was found later that the figure of 38kg was misprinted as 83kg for one of the students.
What is the correct average.
Mathematics is like checkers in being suitable for the young, not too difficult, amusing, and without peril to the state.
Plato
Each and every person in this world are having "constant mind"...DIFFERENTIATE others mind and INTEGRATE urs.MATHEMATICS SIMPLY MAKES YOU UNSTOPPABLE !!!